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Journal Description

International Journal of Environmental Research and Public Health is an interdisciplinary, peer-reviewed, open access journal published semimonthly online by MDPI. It covers Environmental Sciences and Engineering, Public Health, Environmental Health, Occupational Hygiene, Health Economic and Global Health Research, etc. The International Society Doctors for the Environment (ISDE) and Italian Society of Environmental Medicine (SIMA) are affiliated with IJERPH and their members receive a discount on the article processing charges.

  • Open Access— free for readers, with article processing charges (APC) paid by authors or their institutions.
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  • Journal Rank: JCR - Q1 (Public, Environmental & Occupational Health) / CiteScore - Q1 (Public Health, Environmental and Occupational Health)
  • Rapid Publication: manuscripts are peer-reviewed and a first decision provided to authors approximately 22.5 days after submission; acceptance to publication is undertaken in 2.8 days (median values for papers published in this journal in the first half of 2022).
  • Recognition of Reviewers: reviewers who provide timely, thorough peer-review reports receive vouchers entitling them to a discount on the APC of their next publication in any MDPI journal, in appreciation of the work done.
  • Testimonials: See what our editors and authors say about IJERPH.
  • Sections: published in 37 topical sections.
  • Companion journals for IJERPH include: Dermatopathology, Sexes, Disabilities, Trauma Care, Adolescents, Nursing Reports, Journal of Ageing and Longevity, and Air.

Impact Factor: 4.614 (2021) ; 5-Year Impact Factor: 4.798 (2021)

Latest Articles

Open AccessArticle

People’s Perception of Well-Being during the COVID-19 Pandemic: A Case Study in Japan

Int. J. Environ. Res. Public Health 2022, 19(19), 12146; https://doi.org/10.3390/ijerph291912146 (registering DOI) - 25 Sep 2022

Abstract

This study aims to examine people’s perception of well-being during the COVID-19 pandemic in Japan and quantitatively clarify key factors towards realizing evidence-based policymaking. In March 2022, 400 participants responded to a survey conducted through Rakuten Insight. The authors applied an ordinal logistic [...] Read more.

This study aims to examine people’s perception of well-being during the COVID-19 pandemic in Japan and quantitatively clarify key factors towards realizing evidence-based policymaking. In March 2022, 400 participants responded to a survey conducted through Rakuten Insight. The authors applied an ordinal logistic regression (OLR), followed by principal component analysis (PCA), to create a new compound indicator (CI) to represent people’s perception of well-being during the pandemic in addition to ordinary least squares (OLS) regression with a forward-backward stepwise selection method, where the dependent variable is the principal component score of the first principal component (PC1), while the independent variables are the same as the abovementioned OLR. Consequently, while analyzing OLR, some independent variables showed statistical significance, while the CI provided an option to grasp people’s perception of well-being. Furthermore, family structure was statistically significant in all cases of OLR and OLS. Moreover, in terms of the standardized coefficients (beta) of OLS, the family structure had the greatest impact on the CI. Based on the study results, the authors advocate that the Japanese government should pay more attention to single-person households affected by the COVID-19 pandemic. Full article

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Open AccessArticle

International Portuguese Nurse Leaders’ Insights for Multicultural Nursing

Int. J. Environ. Res. Public Health 2022, 19(19), 12144; https://doi.org/10.3390/ijerph291912144 (registering DOI) - 25 Sep 2022

Abstract

Cultural diversity among patients and healthcare workers in the Portuguese healthcare organizations will increasingly challenge nurse managers to develop favorable nursing work environments and to improve culturally congruent care. Aim: This study aimed to identify nurse managers’ interventions that improve favorable nursing work [...] Read more.

Cultural diversity among patients and healthcare workers in the Portuguese healthcare organizations will increasingly challenge nurse managers to develop favorable nursing work environments and to improve culturally congruent care. Aim: This study aimed to identify nurse managers’ interventions that improve favorable nursing work environments in multicultural nursing teams and culturally congruent care for patients, based on Portuguese nurse leaders’ experience in international settings. Methods: A qualitative and exploratory study was conducted as the first stage of a sequential exploratory mixed study design. A convenience sample of Portuguese nurses with leadership experience of multicultural teams was recruited to participate in one focus group. Qualitative data were recorded and transcribed for content analysis. Text segments were organized into themes and categories with the support of the qualitative software IRaMuTeQ. Results: Nurse managers’ interventions, such as adapting the leadership style, thanking nurses for their work, adjusting the unit to attend to patients’ worship practices, and supporting foreign nurses in learning the local language, were categorized into three main themes and five categories—transcultural nursing leadership assumptions, capitalizing nurses, improving culturally congruent care, team problems and strategies, and improving effective communication. Conclusions: These findings corroborate international studies, advocate for capable nurse managers to lead in a globalized world, and are suitable to develop a transcultural nursing leadership questionnaire. Full article

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Open AccessArticle

Effects of Regular Water Replenishment on Enzyme Activities and Fungal Metabolic Function of Sheep Manure Composting on the Qinghai–Tibet Plateau

Int. J. Environ. Res. Public Health 2022, 19(19), 12143; https://doi.org/10.3390/ijerph291912143 (registering DOI) - 25 Sep 2022

Abstract

The dry climate characteristics of the Qinghai–Tibet Plateau will seriously affect microbial metabolism during composting. In this study, we aimed to investigate the effects of regular water supplementation on the fungal and enzymatic activities of sheep manure composting in the Qinghai–Tibet Plateau. The [...] Read more.

The dry climate characteristics of the Qinghai–Tibet Plateau will seriously affect microbial metabolism during composting. In this study, we aimed to investigate the effects of regular water supplementation on the fungal and enzymatic activities of sheep manure composting in the Qinghai–Tibet Plateau. The experiment set up the treatments of water replenishment once every 7 days(T2) and 3.5 days (T3) days, and no water supplementation was used as the control (T1). The results showed that regular water supplementation increased the activities of various enzymes during composting, and the activities of protease, cellulase, peroxidase and polyphenol oxidase in T3 were higher than those in T2. Regular water supplementation increased the relative abundance of Remersonia and Mycothermus, which were significantly positively correlated with the germination index, and degradation of organic components. Regular water supplementation could enrich fungi carbohydrate, protein, and nucleotide metabolisms, and T3 had a better effect. A redundancy analysis showed that environmental factors could significantly affect the fungal community; among them, moisture content (76.9%, p = 0.002) was the greatest contributor. In conclusion, regular water supplementation can improve the key enzyme activities and fungal metabolic function of sheep manure composting, and water replenishment once every 3.5 days had the best effect. Full article

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Open AccessArticle

Dynamic Response of Surface Water Temperature in Urban Lakes under Different Climate Scenarios—A Case Study in Dianchi Lake, China

Int. J. Environ. Res. Public Health 2022, 19(19), 12142; https://doi.org/10.3390/ijerph291912142 (registering DOI) - 25 Sep 2022

Abstract

Lake surface water temperature is a fundamental metabolic indicator of lake ecosystems that affects the exchange of material and energy in lake ecosystems. Estimating and predicting changes in lake surface water temperature is crucial to lake ecosystem research. This study selected Dianchi Lake, [...] Read more.

Lake surface water temperature is a fundamental metabolic indicator of lake ecosystems that affects the exchange of material and energy in lake ecosystems. Estimating and predicting changes in lake surface water temperature is crucial to lake ecosystem research. This study selected Dianchi Lake, a typical urban lake in China, as the research area and used the Air2water model combined with the Mann-Kendall mutation statistical method to analyze the temporal and spatial variation in the surface water temperature of Dianchi Lake under three climate models. The research results show that, under the RCP 5-8.5 scenario model, the surface water temperature change rate for Dianchi Lake from 2015 to 2100 would be 0.28 ℃/10a, which was the largest change rate among the three selected scenarios. The rate of change during 2015–2100 would be 9.33 times higher than that during the historical period (1900–2014) (0.03 °C/10a). Against the background of Niulan River water diversion and rapid urbanization, the surface water temperature of Dianchi Lake experienced abrupt changes in 1992, 2016, 2017, and 2022. Against the background of urbanization, the impact of human activities on the surface water temperature of urban lakes will become greater. Full article

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Open AccessArticle

What Factors Affect Farmers’ Levels of Domestic Waste Sorting Behavior? A Case Study from Shaanxi Province, China

Int. J. Environ. Res. Public Health 2022, 19(19), 12141; https://doi.org/10.3390/ijerph291912141 (registering DOI) - 25 Sep 2022

Abstract

Waste sorting is a key element for solving the current predicament of rural waste management. In the pilot areas of China, farmers’ domestic waste sorting behavior (DWSB) varies significantly, whereas there are few studies exploring the mechanism of its formation. To fill this [...] Read more.

Waste sorting is a key element for solving the current predicament of rural waste management. In the pilot areas of China, farmers’ domestic waste sorting behavior (DWSB) varies significantly, whereas there are few studies exploring the mechanism of its formation. To fill this research gap, this study constructs a research model of the internal logic of farmers’ waste sorting levels (i.e., no sorting; sorting recyclable waste; sorting recyclable and kitchen waste; and sorting recyclable, kitchen, harmful, and other waste) by considering circumstantial constraints (social norms in external factors) and psychological behavioral antecedents (personal norms and group identity in internal factors). Based on pilot survey data from farmers in Shaanxi Province, China, the results of the ordered logit model indicate that social norms and personal norms were the most significant predictors of the level of DWSB, while group identity was found to have no significant influence. Furthermore, the results of the grouping regression analysis showed that personal norms had a positive moderating effect on the relationship between social norms and farmers’ DWSB. Therefore, a more positive social atmosphere, better education, and personal environmental moral responsibility for domestic waste sorting should be established to enhance their levels of waste sorting behavior. Full article

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Open AccessArticle

A Cross-Sectional, Questionnaire-Based Survey on Air Infection Control among Romanian People

Int. J. Environ. Res. Public Health 2022, 19(19), 12140; https://doi.org/10.3390/ijerph291912140 (registering DOI) - 25 Sep 2022

Abstract

(1) Background: Infection control should be one of the main objectives in the comprehensive medical approach. (2) Methods: A cross-sectional study was conducted from June–July 2022. A questionnaire including 22 questions with multiple answers was applied online to 202 subjects selected at random. [...] Read more.

(1) Background: Infection control should be one of the main objectives in the comprehensive medical approach. (2) Methods: A cross-sectional study was conducted from June–July 2022. A questionnaire including 22 questions with multiple answers was applied online to 202 subjects selected at random. The questionnaire collected data on the subjects’ knowledge about protective measures against airborne infections. For this study, a descriptive statistic was performed. Pearson’s Chi-square test was used for data comparison. (3) Results: Only 61.39% (124) of the subjects consider that protective equipment is mandatory for the dental team, 40.10% (81) know to a very large extent and 44.06% (89) to a large extent that when talking, a respiratory infection can be transmitted. A rather large percentage of the subjects take into account the cost of the protective mask to a very large extent 39.60% (80). Only 30.20% (61) of the subjects would vaccinate to a very large extent and 24.75% (50) to a large extent against micro-organisms transmitted by air p > 0.05. (4) Conclusions: Most people know the aspects related to air decontamination, the priority being the promotion of control methods of airborne infections, and it is necessary to improve the level of knowledge on a large scale within the population. Full article

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Open AccessArticle

Assessing the Testability of the Multi-Theory Model (MTM) in Predicting Vaping Quitting Behavior among Young Adults in the United States: A Cross-Sectional Survey

Int. J. Environ. Res. Public Health 2022, 19(19), 12139; https://doi.org/10.3390/ijerph291912139 (registering DOI) - 25 Sep 2022

Abstract

Purpose: Given the increased exposure to e-cigarettes and nicotine among young adults, difficulty in quitting vaping is likely, which supports the need for effective behavioral interventions. Therefore, this cross-sectional study aims to assess the testability of the contemporary multi-theory model of health behavior [...] Read more.

Purpose: Given the increased exposure to e-cigarettes and nicotine among young adults, difficulty in quitting vaping is likely, which supports the need for effective behavioral interventions. Therefore, this cross-sectional study aims to assess the testability of the contemporary multi-theory model of health behavior change in predicting the vaping quitting behavior among young adults in the United States. Methods: A nationally representative sample of 619 young adults engaged in vaping behavior and aged 18–24 years was recruited to complete a 49-item web-based survey. A structural equation model was used to test relationships between MTM constructs. Hierarchical multiple regression was utilized to predict the variance in the initiation and sustenance of vaping quitting behavior by predictor variables, such as demographic characteristics, history of behaviors, and MTM constructs. Results: Of 619 respondents, over 75% were White and nearly 70% had educational attainment equal to high school or some college. In total, 62% of respondents were using nicotine, followed by 33.3% were using cannabis. About 80% of the respondents reported being engaged in drinking alcohol, and nearly 45% were engaged in cigarette smoking. The predictive effect of all MTM constructs on vaping quitting initiation (adjusted R2 = 0.417, F (23, 595) = 20.215, p < 0.001) and sustenance (adjusted R2 = 0.366, F (23, 595) = 16.533, p < 0.001) was statistically significant. Conclusions: The findings of this study point to the usability and applicability of MTM in operationalizing and developing vaping quitting behavior interventions targeting young adults. Full article

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Open AccessArticle

Cyberharassment Victimization on Three Continents: An Integrative Approach

Int. J. Environ. Res. Public Health 2022, 19(19), 12138; https://doi.org/10.3390/ijerph291912138 (registering DOI) - 25 Sep 2022

Abstract

This article introduces and applies an integrative model of cyberharassment victimization. The model combines routine activity theory (RAT), the general theory of crime (GTC), and the personal resources approach to analyze risk factors for victimization while acknowledging the protective role of a sense [...] Read more.

This article introduces and applies an integrative model of cyberharassment victimization. The model combines routine activity theory (RAT), the general theory of crime (GTC), and the personal resources approach to analyze risk factors for victimization while acknowledging the protective role of a sense of mastery. Survey respondents were aged 15 to 25 years (N = 4816) from the U.S., Finland, Spain, and South Korea. Logistic regression models were used to analyze cyberharassment victimization. RAT-related factors were positively associated with cyberharassment victimization. Low self-control was positively associated with cyberharassment victimization in the U.S., Finland, and Spain but not in South Korea. The sense of mastery was negatively associated with cyberharassment victimization in the U.S., Finland, and South Korea but not in Spain. Protective factors against cyberharassment victimization should be utilized in future studies as adequate knowledge of protective factors could assist policymakers in generating preventative measures against cyberharassment. Our study demonstrates the benefits of integrating criminological theories and protective factors in studies using cross-national data to gain a better understanding of the dynamics of cyberharassment. Full article

Open AccessArticle

Exposure and Inequality of PM2.5 Pollution to Chinese Population: A Case Study of 31 Provincial Capital Cities from 2000 to 2016

Int. J. Environ. Res. Public Health 2022, 19(19), 12137; https://doi.org/10.3390/ijerph291912137 (registering DOI) - 25 Sep 2022

Abstract

Fine particulate matter (PM2.5) exposure has been linked to numerous adverse health effects, with some disadvantaged subgroups bearing a disproportionate exposure burden. Few studies have been conducted to estimate the exposure and inequality of different subgroups due to a lack of [...] Read more.

Fine particulate matter (PM2.5) exposure has been linked to numerous adverse health effects, with some disadvantaged subgroups bearing a disproportionate exposure burden. Few studies have been conducted to estimate the exposure and inequality of different subgroups due to a lack of adequate characterization of disparities in exposure to air pollutants in urban areas, and a mechanistic understanding of the causes of these exposure inequalities. Based on a long-term series of PM2.5 concentrations, this study analyzed the spatial and temporal characteristics of PM2.5 in 31 provincial capital cities of China from 2000 to 2016 using the coefficient of variation and trend analyses. A health risk assessment of human exposure to PM2.5 from 2000 to 2016 was then undertaken. A cumulative population-weighted average concentration method was applied to investigate exposures and inequality for education level, job category, age, gender and income population subgroups. The relationships between socioeconomic factors and PM2.5 exposure concentrations were quantified using the geographically and temporally weighted regression model (GTWR). Results indicate that the PM2.5 concentrations in most of the capital cities in the study experienced an increasing trend at a rate of 0.98 μg m−3 per year from 2000 to 2016. The proportion of the population exposed to high PM2.5 (above 35 μg m−3) increased annually, mainly due to the increase of population migrating into north, east, south and central China. The higher educated, older, higher income and urban secondary industry share (SIS) subgroups suffered from the most significant environmental inequality, respectively. The per capita GDP, population size, and the share of the secondary industry played an essential role in unequal exposure to PM2.5. Full article

(This article belongs to the Section Air)

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Open AccessArticle

Associations of Problematic Internet Use, Weight-Related Self-Stigma, and Nomophobia with Physical Activity: Findings from Mainland China, Taiwan, and Malaysia

Int. J. Environ. Res. Public Health 2022, 19(19), 12135; https://doi.org/10.3390/ijerph291912135 (registering DOI) - 25 Sep 2022

Abstract

Insufficient physical activity is a common problem for university students because they may engage in sedentary lifestyle owing to excessive time spent on their smartphones and social media use. This may result in problematic internet use (PIU) and nomophobia (fear of not having [...] Read more.

Insufficient physical activity is a common problem for university students because they may engage in sedentary lifestyle owing to excessive time spent on their smartphones and social media use. This may result in problematic internet use (PIU) and nomophobia (fear of not having a mobile phone). Moreover, prior evidence shows that weight-related self-stigma is an important factor contributing to low physical activity. Therefore, the present study examined the associations between PIU, nomophobia, and physical activity among university students across mainland China, Taiwan, and Malaysia. Participants (3135 mainland Chinese, 600 Taiwanese, and 622 Malaysian) completed the Bergen Social Media Addiction Scale (BSMAS), Smartphone Application-Based Addiction Scale (SABAS), Nomophobia Questionnaire (NMPQ), Weight Self-Stigma Questionnaire (WSSQ), and International Physical Activity Questionnaire Short Form (IPAQ-SF). The measurement invariance of the assessed questionnaires was supported across the three regions. The present findings analyzed using partial least squares structural equation modeling showed that (i) greater nomophobia was associated with higher levels of physical activity, (ii) greater weight-related self-stigma was associated with higher levels of physical activity, and (iii) greater nomophobia was associated with greater weight-related self-stigma. Although the present findings suggest the possibility that experiencing some level of nomophobia or weight-related self-stigma appears to help improve physical activity, it is not recommended that these be encouraged, but reducing PIU should be targeted as a means to improve physical activity. Full article

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Open AccessArticle

“Ya Luk Ka Tan Yoo”: An Ethnography of Filial Piety Culture, Medication Usage, and Health Perceptions of the Elderly in Rural Southern Thailand

Int. J. Environ. Res. Public Health 2022, 19(19), 12134; https://doi.org/10.3390/ijerph291912134 (registering DOI) - 25 Sep 2022

Abstract

Filial piety is a Buddhist virtue, and its meaning varies across cultures. In Thailand, filial piety refers to an appreciation of one’s indebtedness to others. Previous studies showed that filial piety is deeply grounded in longstanding culture values and related to the health [...] Read more.

Filial piety is a Buddhist virtue, and its meaning varies across cultures. In Thailand, filial piety refers to an appreciation of one’s indebtedness to others. Previous studies showed that filial piety is deeply grounded in longstanding culture values and related to the health of the elderly. Information from some literature revealed that medicinal products given to the elderly by their children, called “Ya-Luk-Ka-Tan-Yoo”, were apparent in the communities of rural southern Thailand. This study aims to explore in depth how “Ya-Luk-Ka-Tan-Yoo” is perceived, valued, and functions in southern Thailand’s socio-cultural contexts. Ethnography methodology is used, and a researcher was embedded in the field for six months, gathering data through participant observation and ethno-graphic interviews with fifty-two respondents. The findings reveal that filial piety medication is related to the local meanings of medicine, children, and gratitude. “Ya-Luk-Ka-Tan-Yoo,” in the eyes of both the elderly and their children, encompasses more than just health. Implicit herein are the concepts of a means of care and gratitude and a symbol of life. Filial piety medication is thus a carrier/medium of physical, financial, and emotional support. This research reveals how the ill health of the elderly is transformed to a commodity. Nonetheless, the negative impact of the efficacy of filial piety medication remains an issue of concern among professionals. The findings indicate that people are aware of the risks associated with self-medication. However, they insisted that their use was still necessary and justifiable. Full article

Open AccessArticle

Craniofacial Growth and Asymmetry in Newborns: A Longitudinal 3D Assessment

Int. J. Environ. Res. Public Health 2022, 19(19), 12133; https://doi.org/10.3390/ijerph291912133 (registering DOI) - 25 Sep 2022

Abstract

Objective: To evaluate the development of the craniofacial region in healthy infants and analyze the asymmetry pattern in the first year of life. Methods: The participants were grouped by sex and age (1, 2, 4, 6, 9, and 12 months) to receive three-dimensional [...] Read more.

Objective: To evaluate the development of the craniofacial region in healthy infants and analyze the asymmetry pattern in the first year of life. Methods: The participants were grouped by sex and age (1, 2, 4, 6, 9, and 12 months) to receive three-dimensional (3D) photographs. Stereoscopic craniofacial photos were captured and transformed into a series of craniofacial meshes in each group. The growth patterns of the anthropometric indices and the degree of craniofacial asymmetry were measured, and average craniofacial meshes and color-asymmetry maps with craniofacial asymmetry scores were calculated. Results: A total of 373 photographs from 66 infants were obtained. In both genders, the highest and lowest growth rates for all anthropometric indices were noted between 1 and 2 months and between 9 and 12 months, respectively. Overall, male infants had higher anthropometric indices, head volume, and head circumference than female infants. The craniofacial asymmetry score was presented with a descending pattern from 1 to 12 months of age in both sex groups. Both sex groups showed decreased left-sided laterality in the temporal-parietal-occipital region between 1 and 4 months of age and increased right frontal-temporal prominence between 6 and 12 months of age. Conclusions: A longitudinal evaluation of the craniofacial growth of healthy infants during their first year of life was presented. Full article

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Open AccessArticle

The Feasibility and Acceptability of an Online CPD Programme to Enhance PE Teachers’ Knowledge of Muscular Fitness Activity

Int. J. Environ. Res. Public Health 2022, 19(19), 12132; https://doi.org/10.3390/ijerph291912132 (registering DOI) - 25 Sep 2022

Abstract

Schools provide an opportunity to enhance muscular fitness of English youth during physical education (PE). Continued professional development (CPD) among teachers may improve muscular fitness activity delivery in schools. This study sought to assess the feasibility and acceptability of an online CPD programme [...] Read more.

Schools provide an opportunity to enhance muscular fitness of English youth during physical education (PE). Continued professional development (CPD) among teachers may improve muscular fitness activity delivery in schools. This study sought to assess the feasibility and acceptability of an online CPD programme to enhance PE teachers’ knowledge of muscular fitness activity. Methods: Co-production of an online CPD platform was undertaken with five secondary school PE teachers. A quasi-experimental pre-post control group design for the CPD was adopted (CPD group n = 76, control n = 32). Upon CPD completion feedback was solicited for qualitative analysis. Results: Pre-and-post CPD knowledge quiz data were available from 65 participants (55.4% male). The median knowledge quiz change score was significantly higher in the CPD group than in the wait list control group (CPD score vs. control score; U =37, z = −5.96, p < 0.01). Three primary themes reflecting factors associated with the acceptability and feasibility were (1) practical application, (2) support and resources, and (3) knowledge and confidence. Conclusions: Co-production of an online CPD programme can improve knowledge and affect practice. PE teachers that completed the CPD reported the online platform was beneficial to overcoming the limitations of face-to-face CPD such as time and financial constraints and suggested the content covered was beneficial and appropriate to their teaching. Future work is required to establish links between teachers’ learning following CPD, the translation into PE practice and student MF outcomes. Full article

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Open AccessArticle

Association between Severity of Freezing of Gait and Turning Characteristics in People with Parkinson’s Disease

Int. J. Environ. Res. Public Health 2022, 19(19), 12131; https://doi.org/10.3390/ijerph291912131 (registering DOI) - 25 Sep 2022

Abstract

For people with Parkinson’s disease (PD) with freezing of gait (FOG) (freezers), symptoms mainly exhibit as unilateral motor impairments that may cause difficulty during postural transitions such as turning during daily activities. We investigated the turning characteristics that distinguished freezers among people with [...] Read more.

For people with Parkinson’s disease (PD) with freezing of gait (FOG) (freezers), symptoms mainly exhibit as unilateral motor impairments that may cause difficulty during postural transitions such as turning during daily activities. We investigated the turning characteristics that distinguished freezers among people with PD and analyzed the association between the New Freezing of Gait Questionnaire (NFOGQ) scores and the gait characteristics according to the turning direction for the affected limbs of freezers. The study recruited 57 people with PD (27 freezers, 30 non-freezers). All experiments measured the maximum 180° turning task with the “Off” medication state. Results revealed that the outer ankle range of motion in the direction of the inner step of the more affected limb (IMA) was identified to distinguish freezers and non-freezers (RN2 = 0.735). In addition, higher NFOGQ scores were associated with a more significant anteroposterior root mean square distance of the center of mass in the IMA direction and a greater inner stance phase in the outer step of the more affected limb (OMA) direction; explanatory power was 50.1%. Assessing the maximum speed and turning direction is useful for evaluating the differences in turning characteristics between freezers and non-freezers, which can help define freezers more accurately. Full article

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Open AccessArticle

Understanding the Actual Use of Anti-HIV Drugs in Japan from 2016 to 2019: Demonstrating Epidemiological Relevance of NDB Open Data Japan for Understanding Japanese Medical Care

Int. J. Environ. Res. Public Health 2022, 19(19), 12130; https://doi.org/10.3390/ijerph291912130 (registering DOI) - 25 Sep 2022

Abstract

The National Database of Health Insurance Claims and Specific Health Checkups of Japan (NDB) Open Data Japan is helpful for attaining simple and comprehensive understanding of medical care in Japan. Herein, we investigated the transition of anti-HIV-drug use in Japan over a 4-year [...] Read more.

The National Database of Health Insurance Claims and Specific Health Checkups of Japan (NDB) Open Data Japan is helpful for attaining simple and comprehensive understanding of medical care in Japan. Herein, we investigated the transition of anti-HIV-drug use in Japan over a 4-year period from fiscal year (FY) 2016 to FY 2019 using data on anti-HIV drugs that were extracted from the 3rd, 4th, 5th, and 6th NDB Open Data Japan. Then, the data were stratified by mechanism of action, single-tablet regimen (STR) or non-STR, age groups, and sex and analyzed. Throughout the study period, the prescription volume for tenofovir alafenamide fumarate as the backbone drug and integrase strand transfer inhibitors as the anchor drug increased. In FY 2019, STRs constituted approximately 44% of the total combination antiretroviral therapy regimens, 1.6 times higher than that in FY 2016 (27%). With the advent of newer drugs and regimens, the differences in anti-HIV drugs prescribed to patients of different ages and sex gradually diminished; however, differences were unremarkable in the first period, especially between sexes. The NDB Open Data Japan made it relatively easy to evaluate recent trends in anti-HIV prescription in Japan, indicating its usefulness for continuous surveys in this field. Full article

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Open AccessArticle

Students’ Perceived Well-Being and Online Preference: Evidence from Two Universities in Vietnam during COVID-19

Int. J. Environ. Res. Public Health 2022, 19(19), 12129; https://doi.org/10.3390/ijerph291912129 (registering DOI) - 25 Sep 2022

Abstract

University education is still being impacted two years after the COVID-19 outbreak. We performed a rapid survey in February 2022 at two public universities in Vietnam to examine the effects of the pandemic on well-being and the factors that may associate with online [...] Read more.

University education is still being impacted two years after the COVID-19 outbreak. We performed a rapid survey in February 2022 at two public universities in Vietnam to examine the effects of the pandemic on well-being and the factors that may associate with online class preference among university students as well as to investigate the need for support to improve resilience. A web-based survey included 1589 undergraduate students in total. Both quantitative and qualitative data analysis was carried out. Overall, approximately a quarter of respondents said that they perceived an influence on their health, 42.9% expressed stress, and more than 70% reported worrying about the future. In total, 61.9% of the respondents reported having satisfaction with online classes, while over half of them preferred a program of 50% online classes. Students who live in an urban area, are female, have had pre-COVID-19 campus life experience, have decreased income, and/or experience low online satisfaction and over-information may be in need of more support. The results show implications for universities to consider policies addressing well-being and post-pandemic online education. Providing support to university students to improve their resilience against the impact on their studying, campus life, health, and well-being should be prioritized during and post-pandemic. Full article

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Open AccessArticle

Effects of Straw Return and Moisture Condition on Temporal Changes of DOM Composition and Cd Speciation in Polluted Farmland Soil

Int. J. Environ. Res. Public Health 2022, 19(19), 12128; https://doi.org/10.3390/ijerph291912128 (registering DOI) - 25 Sep 2022

Abstract

Straw return can improve soil quality and change the mobility and bioavailability of pollutants in soil. Elevated cadmium (Cd) contents in farmland soils were often reported. However, the impacts of straw-derived dissolved organic matter (DOM) on Cd speciation in soil remain poorly understood. [...] Read more.

Straw return can improve soil quality and change the mobility and bioavailability of pollutants in soil. Elevated cadmium (Cd) contents in farmland soils were often reported. However, the impacts of straw-derived dissolved organic matter (DOM) on Cd speciation in soil remain poorly understood. In this study, the effects of straw return and moisture condition on temporal changes of DOM composition and Cd speciation in farmland soils were explored through a laboratory incubation experiment. The humified components of DOM were negatively correlated with exchangeable, carbonate-bound, and Fe-Mn oxide-bound Cd (p < 0.01), while its protein-like component was negatively correlated with residual Cd (p < 0.01). It was found that selected fluorescence parameters could be used to predict temporal changes of Cd geochemical fractions. Straw addition led to increases in soil DOM content during the first three days of the incubation. Flooding should be avoided in the first three days following the straw application to reduce the risk of DOM-facilitated Cd mobilization. Full article

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Open AccessArticle

The Use of the ICF Classification Sheet to Assess Cognitive-Behavioral Disorders and Verbal Communication in Patients after Ischemic and Hemorrhagic Stroke during Rehabilitation

Int. J. Environ. Res. Public Health 2022, 19(19), 12127; https://doi.org/10.3390/ijerph291912127 (registering DOI) - 25 Sep 2022

Abstract

Background: In patients after experiencing stroke, the cognitive-behavioral deficits and disorders of verbal communication limit the effectiveness of rehabilitation. The key is to diagnose them at an early stage of rehabilitation and to implement appropriate psychological and speech therapy. Objective: Identify differences in [...] Read more.

Background: In patients after experiencing stroke, the cognitive-behavioral deficits and disorders of verbal communication limit the effectiveness of rehabilitation. The key is to diagnose them at an early stage of rehabilitation and to implement appropriate psychological and speech therapy. Objective: Identify differences in the frequency and effectiveness of cognitive-behavioral disorder therapy depending on the clinical type of stroke, assessed before and after rehabilitation treatment, and their presentation using the ICF (International Classification of Functioning, Disability, and Health) classification. Materials and Methods: The study was prospective and included the analysis of cognitive-behavioral and verbal communication disorders. The study consisted of 47 patients after intracerebral hemorrhage (ICH) and 47 patients after an ischemic stroke (IS) before the implementation of rehabilitation and after completing a 4-week rehabilitation. Results: In the group after ICH, psychological therapy significantly reduced the disturbances of consciousness and orientation (p < 0.001) and improved the speed of performing tasks in tests (p < 0.001). In patients after IS and ICH, memory and attention function improved significantly (p < 0.001). Moreover, in patients after ICH, language function deficits decreased significantly (p = 0.018). Mood disturbances were maintained in 17% of patients after ICH and 40% of patients after IS (p = 0.007). Speech therapy reduced speech articulation disorders and aphasia in 85% of patients after ICH (p = 0.001) and in 68% of patients after IS (p = 0.033). Conclusions: The frequency and type of cognitive-behavioral and verbal communication disorders vary depending on the history of ICH or IS. The ICF classification may be useful in assessing and analyzing cognitive-behavioral and verbal communication disorders, which may lead to the implementation of appropriate psychological and speech therapy at an early stage of rehabilitation and increase the effectiveness of the therapy. Full article

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Open AccessArticle

Projections in Various Scenarios and the Impact of Economy, Population, and Technology for Regional Emission Peak and Carbon Neutrality in China

Int. J. Environ. Res. Public Health 2022, 19(19), 12126; https://doi.org/10.3390/ijerph291912126 (registering DOI) - 25 Sep 2022

Abstract

Owing to the surge in greenhouse gas emissions, climate change is attracting increasing attention worldwide. As the world’s largest carbon emitter, the achievement of emission peak and carbon neutrality by China is seen as a milestone in the global response to the threat. [...] Read more.

Owing to the surge in greenhouse gas emissions, climate change is attracting increasing attention worldwide. As the world’s largest carbon emitter, the achievement of emission peak and carbon neutrality by China is seen as a milestone in the global response to the threat. By setting different “emission peak” and “carbon neutrality” paths, this study compares the different pathways taken by China towards regional emission reduction to illustrate China’s possible contribution to global emission reduction, and analyzes the role that China’s economy, population, and technology need to play in this process through the Stochastic Impacts by Regression on Population, Affluence, and Technology model. In terms of path setting, based on actual carbon emissions in various regions from 2000 to 2019 and grid data on land use from 2000 to 2020, the model simulates three emission peak paths to 2030 and two carbon neutrality paths to 2060, thus setting six possible carbon emission trends from 2000 to 2060 in different regions. It is found that the higher the unity of policy objectives at the emission peak stage, the lower the heterogeneity of the inter-regional carbon emission trends. In the carbon neutrality stage, the carbon emissions in the unconstrained symmetrical extension decline state scenario causes the greatest environmental harm. Certain regions must shoulder heavier responsibilities in the realization of carbon neutrality. The economic development level can lead to a rise in carbon emissions at the emission peak stage and inhibit it at the carbon neutrality stage. Furthermore, the dual effects of population scale and its quality level will increase carbon emissions at the emission peak stage and decrease it at the carbon neutrality stage. There will be a time lag between the output of science and technology innovation and its industrialization, while green innovation is a key factor in carbon neutrality. Based on the results, this study puts forward policy suggestions from a macro perspective to better realize China’s carbon emission goals. Full article

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Open AccessArticle

Toxic Metals and Metalloids in Hassawi Brown Rice: Fate during Cooking and Associated Health Risks

Int. J. Environ. Res. Public Health 2022, 19(19), 12125; https://doi.org/10.3390/ijerph291912125 (registering DOI) - 25 Sep 2022

Abstract

Rice has been a dietary staple for centuries, providing vital nutrients to the human body. Brown rice is well known for its nutrient-dense food profile. However, owing to multiple causes (anthropogenic and non-anthropogenic), it can also be a potential source of toxic heavy [...] Read more.

Rice has been a dietary staple for centuries, providing vital nutrients to the human body. Brown rice is well known for its nutrient-dense food profile. However, owing to multiple causes (anthropogenic and non-anthropogenic), it can also be a potential source of toxic heavy metals in the diet. Brown Hassawi rice samples were collected from the Al-Ahsa region and analyzed for its content of toxic metals. The results reveal that all the tested metals varied significantly in the brown rice samples, while As and Pb in all three samples exceeded their respective maximum allowable limits (MALs), followed by Cd, which nearly approached the MAL in two samples out of three. Brown rice samples were cooked in rice:water systems, viz., low rice:water ratios (1:2.5, 1:3.5) and high rice:water ratios (1:5, 1:6), along with soaking as a pre-treatment. Soaking was unproductive in removing the heavy metals from the rice, whereas cooking dissipated all metals from the rice, except for Cd, which was statistically non-significant. The high-water cooking of the rice was more effective in the dissipation of metals from the rice as compared to low-water cooking conditions. Through the consumption of rice, the estimated daily intake (EDI) of heavy metals is 162 g per person per day for As, which is above the provisional maximum tolerable daily intake (PMTDI) regardless of cooking circumstances. The hazard risk index (HRI) also highlighted the fact that As can be a potential health hazard to rice consumers in the Al-Ahsa region of Saudi Arabia. These results indicate the potential health risks caused by the consumption of this rice by humans. Regular monitoring is recommended to manage and control elevated concentrations and related health hazards as a result of the use of Hassawi rice contaminated by the accumulation of metals and metalloids. Full article

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Special Issue in IJERPH

Light Pollution Guest Editors: Irena Fryc, Tomasz Ściężor
Deadline: 15 October 2022

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