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BMC Public Health
Published in: BMC Public Health 1/2021

Open Access 01-12-2021 | Research article

Association between overtime work hours and preventive dental visits among Japanese workers

Authors: Yoshikazu Harada, Tomohisa Nagata, Masako Nagata, Arisa Harada, Ryoichi Oya, Koji Mori

Published in: BMC Public Health | Issue 1/2021

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Abstract

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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Metadata
Title
Association between overtime work hours and preventive dental visits among Japanese workers
Authors
Yoshikazu Harada
Tomohisa Nagata
Masako Nagata
Arisa Harada
Ryoichi Oya
Koji Mori
Publication date
01-12-2021
Publisher
BioMed Central
Published in
BMC Public Health / Issue 1/2021
Electronic ISSN: 1471-2458
DOI
https://doi.org/10.1186/s12889-020-10107-7

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