Objectives Little is known about workplace measures against coronavirus disease 2019 (COVID‐19) in Japan during the winter of 2020, especially in micro‐, small‐, and medium‐sized enterprises (MSMEs). This study aimed to provide an overview of the current situation of anti‐COVID‐19 measures in Japanese enterprises during the winter, considering company size. Methods This study was an Internet‐based nationwide cross‐sectional study. Individuals who were registered as full‐time workers were invited to participate in the survey. Data were collected using an online self‐administered questionnaire in December 2020. The chi‐squared test for trend was performed to calculate the P ‐value for trend for each workplace measure across company sizes. Results For the 27 036 participants, across company sizes, the most prevalent workplace measure was encouraging mask wearing at work, followed by requesting that employees refrain from going to work when ill and restricting work‐related social gatherings and entertainment. These measures were implemented by approximately 90% of large‐scale enterprises and by more than 40% of micro‐ and small‐scale enterprises. In contrast, encouraging remote working was implemented by less than half of large‐scale enterprises and by around 20% of micro‐ and small‐scale enterprises. There were statistically significant differences in all workplace measures by company size (all P < .001). Conclusions We found that various responses to COVID‐19 had been taken in workplaces. However, some measures, including remote working, were still not well‐implemented, especially in smaller enterprises. The findings suggest that occupational health support for MSMEs is urgently needed to mitigate the current wave of COVID‐19.
Objectives This study examined the relationship between the status of infection control efforts against COVID‐19 in the workplace and workers' mental health using a large‐scale Internet‐based study. Methods This cross‐sectional study was based on an Internet monitoring survey conducted during the third wave of the COVID‐19 epidemic in Japan. Of the 33 302 people who participated in the survey, 27 036 were included in the analyses. Participants answered whether or not each of 10 different infection control measures was in place at their workplace (eg, wearing masks at all times during working hours). A Kessler 6 (K6) score of ≥13 was defined as mild psychological distress. The odds ratios (ORs) of psychological distress associated with infection control measures at the workplace were estimated using a multilevel logistic model nested in the prefectures of residence. Results The OR of subjects working at facilities with 4 or 5 infection control measures for psychological distress was 1.19 (95% confidence interval [CI]: 1.05‐1.34, P = .010), that in facilities with 2 or 3 infection control measures was 1.43 (95% CI: 1.25‐1.64, P < .001), and that in facilities with 1 or no infection control measures was 1.87 (95% CI: 1.63‐2.14, P < .001) compared to subjects whose workplaces had ≥6 infection control measures. Conclusion Our findings suggest that proactive COVID‐19 infection control measures can influence the mental health of workers.
Background To combat coronavirus disease 2019 (COVID-19), many countries have used contact tracing apps, including Japan’s voluntary-use contact-confirming application (COCOA). The current study aimed to identify industry and workplace characteristics associated with the downloading of this COVID-19 contact tracing app. Methods This cross-sectional study of full-time workers used an online survey. Multiple logistic regression analysis was used to evaluate the associations of industry and workplace characteristics with contact tracing app use. Results Of the 27,036 participants, 25.1% had downloaded the COCOA. Workers in the public service (adjusted odds ratio [aOR] = 1.29, 95% confidence interval [CI] 1.14–1.45) and information technology (aOR = 1.38, 95% CI 1.20–1.58) industries were more likely to use the app than were those in the manufacturing industry. In contrast, app usage was less common among workers in the retail and wholesale (aOR = 0.87, 95% CI 0.76–0.99) and food/beverage (aOR = 0.81, 95% CI 0.70–0.94) industries, but further adjustment for company size attenuated these associations. Workers at larger companies were more likely to use the app. Compared with permanent employees, the odds of using the app were higher for managers and civil servants but lower for those who were self-employed. Conclusions Downloading of COCOA among Japanese workers was insufficient; thus, the mitigating effect of COCOA on the COVID-19 pandemic is considered to be limited. One possible reason for the under-implementation of the contact tracing app in the retail and wholesale and food/beverage industries is small company size, as suggested by the fully adjusted model results. An awareness campaign should be conducted to promote the widespread use of the contact tracing app in these industries.
The Japanese government is making full-scale efforts to support working people who suffer from cancer and/or other diseases, as it seeks to support a balance of work and receiving medical treatment. The Hospital of the University of Occupational and Environmental Health, Japan, opened its Support Center of Treatment and Work Balance in 2018. This is a multi-disciplinary department for supporting the balance of work and medical treatment. It also opened its Department of Occupational Medicine, the first such department in Japan to provide medical diagnosis and treatment dedicated to supporting that same balance. Our team has supported 704 patients through our activities over the past 3 years. The number of patients supported has increased each year, while the number of departments providing support has also trended upward. There has also been an increase in opinions by attending physicians regarding employment, as well as the number of cases covered by public medical insurance.Here we suggest two factors in our hospital's growth in these activities: (1) many of the clinicians are qualified as occupational physicians, and (2) the organizational strength of our team, which has a vision for balancing support and subsequently promotes that vision. We hope that this report will lead to the balance of support activities in Japan and contribute to the model internationally.
Background This study aimed to examine the association between overtime work and the frequency of preventive dental visits among workers in Japan. Methods A self-administered questionnaire was completed by 14,847 daytime-workers. We used a logistic regression model stratified by sex and age and adjusted for marital status, occupation, education, and oral status to investigate the association between overtime work hours and the frequency of preventive dental visits. Results In total 1037 men (9.3%) and 511 women (13.9%) attended quarterly preventive dental visits, and 2672 men (23.9%) and 1165 women (31.8%) attended annual preventive dental visits. Overtime work was statistically significantly associated with quarterly preventive dental visits among men aged 50–59 years, with adjusted odds ratios (aOR) and 95% confidence intervals (CI) of 0.73 (0.56–0.95), 0.75 (0.54–1.04), and 0.55 (0.34–0.90) for < 20, 20–39, and ≥40 h overtime/month, respectively. No such trends were observed for men aged < 50 years and women of all ages. Overtime work of < 20, 20–40, and ≥40 h overtime/month was statistically significantly associated with annual preventive dental visits among men aged 40–49 years (aOR [95%CI]: 0.76 [0.61–0.95], 0.84 [0.65–1.09], and 0.72 [0.51–1.00], respectively) and 50–59 years (aOR [95%CI]: 0.75 [0.61–0.91], 0.76 [0.59–0.97], and 0.63 [0.45–0.88], respectively). No such trends were observed in men < 40 years and women of all ages. Conclusions Our study revealed associations between overtime and preventive dental visits among male workers aged in their 40s and 50s.
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