We aim to investigate the quantity and quality of scientific evidence dealing with comprehensive health issues of working women in occupational health.
This scoping review of original articles that investigated comprehensive health issues of working women aged 19–64 years in Japan was published in PubMed (1967–2022) and Igaku Chuo Zasshi (or Ichu-shi, 1982–2022). Using identical broad search terms, we first identified 17 122 English and 6154 Japanese articles. We excluded those with clinically relevant topics, or ethnicity other than Japanese and included 853 English and 855 Japanese articles for review and classified them into nine research areas considered to be critical factors for women in the workforce and five study design groups to investigate the quality of the evidence accumulated.
Among 853 English-language articles in PubMed, “Mental health” was the most frequent area studied, followed by “Work-related disease” and “Lifestyle-related disease.” Among 855 Japanese-language articles from Ichu-shi, “Mental health” was the most frequently studied area followed by “Work and balance,” and “Work-related disease.” “Infertility, pregnancy, and childbirth” and “Menstruation, menopause, and genital disease” were well studied in Ichu-shi but scarcely published in PubMed. “Harassment and discrimination” were sparsely reported in both databases. As for research designs, many articles in both PubMed and Ichu-shi employed descriptive or cross-sectional study designs. However, a few studies employed cohort/longitudinal or interventional studies.
The results underscored the need for higher-quality study designs with more scientific evidence on working women's health in the field of occupational health.
The purpose of this study was to examine, by sex, whether precarious workers in Japan receive less support in the workplace than permanent workers.
We conducted a cross-sectional study using an online questionnaire in 2022. We stratified participants by sex and performed modified Poisson regression analysis. The outcomes were support from supervisors, co-workers, occupational health professionals, and no one. Adjusted prevalence ratios (aPR) were calculated for contract workers, part-time workers, and dispatched workers, using permanent workers as reference.
This study had 21 047 participants. For men, 87.9% were permanent workers; for women, 50.7% were permanent workers and 37.3% were part-time workers. For workplace support, 47.5% of men and 45.2% of women selected superiors; 41.8% of men and 50.5% of women selected colleagues; 16.8% of men and 6.2% of women selected occupational health professionals. Female contract workers were less likely to receive support from their supervisors (aPR 0.88) or co-workers (aPR 0.89). Male part-time workers were less likely to be supported by their co-workers (aPR 0.86). Dispatched workers were less likely to be supported by their supervisors (men aPR 0.71, women aPR 0.84) and co-workers (men aPR 0.73, women aPR 0.77). Part-time and dispatched workers were less likely to receive support from occupational health professionals.
Precarious workers could get less workplace support than permanent workers. This may contribute to occupational health problems with precarious workers.
This study aimed to develop and validate a Japanese version of the Occupational Future Time Perspective scale (OFTP-J) and assess its structural validity, construct validity, internal consistency, and test–retest reliability among Japanese workers.
The online survey was conducted with 2046 participants who met the eligibility criteria. The Japanese version of the OFTP scale was developed through translation and back-translation processes. Confirmatory factor analysis was performed to evaluate the structural validity. Pearson's correlations were computed to assess construct validity, and Cronbach's alpha coefficients were calculated to determine internal consistency. Test–retest reliability was examined using Cohen's weighted kappa coefficients and intraclass correlation coefficients.
The confirmatory factor analysis supported an 8-item model with three factors (i.e., focus on opportunities, perceived remaining time, and focus on limitations) for the Japanese version of the OFTP scale. The scale demonstrated high internal consistency, with Cronbach's alpha coefficients ranging from 0.81 to 0.92. Construct validity was supported by significant correlations between the OFTP scale and its subscales, possible antecedents (age, self-rated health, and job control), and possible outcomes (learning goal orientation, job crafting, and work engagement). Test–retest reliability was confirmed with moderate agreement.
The OFTP-J was found to be reliable and valid. It can be used to measure OFTP among Japanese workers and facilitate comparative research with the original English version. The OFTP-J provides valuable insights into the learning motivation and work engagement of the aging workforce.
This research uses Australian survey data to identify industries with high rates of psychological distress, and to estimate productivity impacts in the form of work loss and cutback days.
Analyzing cross-sectional data from the 2017/2018 National Health Survey, industry prevalence of psychological distress (Kessler Screening Scale) was compared using ordered logistic regression. Productivity outcomes were distress-related work loss days and work cutback days in the previous 4 weeks. Losses were analyzed using zero-inflated negative binomial regression.
The sample consisted of 9073 employed workers [4497 males (49.6%), 4576 females (50.4%)]. Compared to the reference industry, Health, the odds of very high distress for males were highest in Information media and telecommunications (OR 2.4; 95% CI 1.2–4.6) and Administrative and support services (OR 2.5; 95% CI 1.2–5.0), while for females the odds were highest in Accommodation and food services (OR 2.0; 95% CI 1.5–2.8) followed by Retail (OR 1.6; 95% CI 1.2–2.0). Very high distress was associated excess productivity losses. Industry of occupation did not impact on productivity loss over and above distress.
Substantial psychological distress was reported which impacted on productivity. High-risk industries included Information media and telecommunications, Accommodation and food services, and Retail.
Inoue D, Nagano C, Tabuchi S, et al. Partial cooling of the upper body with a water-cooled vest in an environment exceeding body temperature J Occup Health. 2023; 65: e12396.
In the “Results” section, Figure 4 was incorrect. This should have been as follows.
We apologize for this error.
This article examines the validity and reliability of the Vietnamese version of the Copenhagen Burnout Inventory (CBI-V) among hospital nurses in Vietnam in 2022.
This article examined data from 587 nurses in two city hospitals in Vietnam in 2022. The reliability was determined via internal consistency (Cronbach's alpha coefficient) and test–retest reliability (Intraclass correlation coefficient). Factorial and construct validity of CBI-V were explored with confirmation factor analysis (CFA), exploratory factor analysis (EFA), and correlations with other mental health outcomes (measured by the depression, anxiety, and stress scale), job performance (Work Health Performance Questionnaires), work engagement (Utrecht work engagement), and quality of life (EQ-5D-5L). Statistical analyses were performed using SPSS 20.0 and AMOS 20.0.
Cronbach's alpha coefficients of CBI-V's three subscales showed good internal consistency (from 0.87 to 0.91). CFA showed a good fit of the three-factor model with the current data. EFA results showed that all items were loaded in accordance with the CBI's original three constructs, excluding work burnout item 7, forming the fourth factor with a single item. All of CBI-V's three subscales correlated with other constructs in expected directions.
The CBI-V showed good validity and reliability among hospital nurses. It can be a reliable tool to measure burnout among nurses in a low- and middle-income country in Vietnam during such a crisis as COVID-19. Future studies should examine the construct of the Copenhagen Burnout Inventory in different occupation groups.
Translation of the Professional Fulfillment Index (PFI) into Japanese would be more useful than the currently developed scales for appropriately measuring burnout and professional fulfillment in healthcare professionals. This study aimed to develop the Japanese version of the PFI and examine its internal consistency, structural validity, and convergent validity in healthcare professionals.
Healthcare professionals in Japan were recruited online. The survey was conducted from October to November 2022. Internal consistency was tested using Cronbach's α. Structural validity was tested using confirmatory factor analysis (CFA) and exploratory factor analysis (EFA). Convergent validity was tested using Pearson's correlation coefficients, which were calculated between each score of the PFI scale and burnout (the Japanese Burnout Scale: JBS), depressive symptoms (the Patient Health Questionnaire-9), and QOL (the General Health Questionnaire-12).
The Cronbach's alpha was .91 in professional fulfillment, .80 in burnout: work exhaustion, .90 in burnout: interpersonal disengagement, and .89 in burnout: total score. Confirmatory factor analysis demonstrated a modest fit, and EFA yielded a three-factor structure the same as the original PFI. The all three subscales and total score of burnout were significantly correlated with the scores of all the scales (p < .001; e.g., burnout: work exhaustion correlated emotional exhaustion in JBS, r = .71).
The Japanese version of the PFI demonstrated acceptable high internal consistency, structural validity, and convergent validity of the scale with a three-factor structure the same as in the original PFI. The Japanese version of PFI proved to be reliable and valid for use in healthcare professionals.
Psychosocial working conditions of ready-made garment (RMG) workers have been associated with poorer self-reported health outcomes. However, no such research has been done with respect to physiological markers that are considered to reflect stress. We consequently aimed to investigate associations of psychosocial working conditions with such a marker, that is, hair cortisol, among RMG workers in Bangladesh.
We conducted semi-structured face-to-face interviews in labor colonies in the Mirpur area, Dhaka, Bangladesh, in February and March 2021 with individuals identifying as garment workers. The interview inquired after various workplace stressors and resources (i.e., workplace support, workplace bullying, vertical trust, beneficial leadership, work–family conflict, and financial issues including savings, debts, financial obligations, and financial support). In addition, hair samples of 2 cm length were collected from participants. Hair cortisol concentrations (HCC) were determined based on liquid chromatography–tandem mass spectrometry (LC-MS/MS). Linear regression models were run to detect possible associations of workplace stressors and resources with HCC.
In total, data of 576 participants were included in the analysis (71.9% female, mean age = 25.9 years). Mean HCC was 4.4 pg/mg (standard deviation = 2.1 pg/mg). The sole variable significantly associated with increased HCC was “having to keep your job to support your children or spouse financially” (β = 0.28 [95% confidence interval 0.02–0.55]).
The sole workplace stressor significantly associated with increased HCC was the necessity to keep one's job to support children or spouse financially. This observation can, however, barely be disentangled from the fact that one has children/a spouse.
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