Size of company of the longest-held job and mortality in older Japanese adults: A 6-year follow-up study from the Japan Gerontological Evaluation Study

Kanamori, Satoru; Tsuji, Taishi; Takamiya, Tomoko; Kikuchi, Hiroyuki; Inoue, Shigeru; Takagi, Daisuke; Kitagawa, Yuko; Yamakita, Mitsuya; Kameda, Yoshito; Kondo, Katsunori

doi:10.1002/1348-9585.12115

Cited by 9 publications

(9 citation statements)

References 24 publications

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“…This was one reason why we conducted separate analyses for each sex. A recent study showed that employees in a large company are in better health than those in a small one 38. As the target group of this study were employees of a large company, there is the possibility of such bias.…”

Section: Discussionmentioning

confidence: 90%

“…A recent study showed that employees in a large company are in better health than those in a small one. 38 As the target group of this study were employees of a large company, there is the possibility of such bias. Heterogeneity of age gaps between age groups and limitation of the target ages may have weakened analyses, especially in younger age groups.…”

Section: Discussionmentioning

confidence: 99%

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Changes in prevalence of Helicobacter pylori in Japan from 2008 to 2018: a repeated cross-sectional study

et al. 2022

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ObjectivesTo understand the recent prevalence and time trends of Helicobacter pylori infection rates in the Japanese population.DesignRepeated cross-sectional study.ParticipantsA total of 22 120 workers (age: 35–65 years) from one Japanese company, who underwent serum H. pylori antibody tests in a health check-up between 2008 and 2018.MeasuresH. pylori infection rates among participants aged 35 years from 2008 to 2018, and participants aged 35, 40, 45, and 50–65 years in 2018, based on the results of serum antibody tests, were analysed. In the 2018 analysis, in addition to the antibody test results, all participants who had undergone eradication treatment for H. pylori were considered as infected. Trends were examined using joinpoint analysis.ResultsH. pylori was detected in 1100 of 7586 male and 190 of 1739 female participants aged 35 years. Annual infection rates among those aged 35 years showed linear downward trends as follows: men, 17.5% in 2008 to 10.1% in 2018 (slope: −0.66); women, 12.3% in 2008 to 9.2% in 2018 (slope: −0.51) without joinpoints. In the 2018 analysis, 2432 of 9580 men and 431 of 1854 women were H. pylori positive. Infection rates tended to increase with older age (men: 11.0% (35 years) to 47.7% (65 years); women: 10.0% (35 years) to 40.0% (65 years)), and showed joinpoints in both sexes (men: 54 years; women: 45 years). Although both the first and second trends were upward, the second trend for both men and women was steeper than the first trend (p<0.05).ConclusionsOur study demonstrated that in the previous 11 years, infection rates of H. pylori in 35-year-old male and female Japanese workers have constantly decreased, and furthermore, analysis of various age groups showed joinpoints around 50 years, suggesting a consistent declining trend in H. pylori infection rates in Japan.

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Section: Discussionmentioning

confidence: 90%

Section: Discussionmentioning

confidence: 99%

Changes in prevalence of Helicobacter pylori in Japan from 2008 to 2018: a repeated cross-sectional study

et al. 2022

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“…The effect of company size on psychological distress differed between those who worked from home and those that did not. The association between company size and psychological distress in previous studies was inconsistent (Inoue et al 2010;Kanamori et al 2020). This discrepancy may be attributable to the use of different indicators (company size vs. worksite size) or different survey years reflecting different economic situations.…”

Section: Discussionmentioning

confidence: 91%

Effect of working from home on the association between job demands and psychological distress

Eguchi

Inoue

Hino

et al. 2022

Preprint

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Purpose Limited information is available about the association between workplace psychosocial factors and general mental health status among workers during the COVID-19 pandemic. This study examined how working from home affected the association between job demands and psychological distress (PD). Method A cross-sectional online survey was conducted in December 2020 (N=27,036). The dependent variable (PD) was assessed using the Kessler Psychological Distress Scale. Job demands were assessed using the Job Content Questionnaire. Working from home was determined by participants' responses to the question: Do you currently work from home? We used a two-level regression analysis adjusted for prefecture; each individual-level variable at level 1 was nested into each prefecture at level 2, stratified by working from home or not. Results Overall, 21.3% of participants worked from home. The interaction between working from home and job demands was significant. Job demands were positively associated with PD. The stratified analysis showed the associations were weaker among employees who worked from home compared with those who did not. Conclusion The association between job demands and PD may be weakened by working from home.

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“…This can be an important omission in our knowledge as 70% of workers in Japan work for small-sized and medium-sized enterprises, where people tend to work longer hours for less salary compared with those working for large companies 17 18. Some studies in Japan suggested that health outcomes tended to be worse among those working for small-sized and medium-sized companies than those working for larger companies 19 20. Third, limited studies have focused on gender differences in SC and health.…”

Section: Introductionmentioning

confidence: 99%

Association between workplace social capital and systolic blood pressure among 23 173 workers at 367 small-sized and medium-sized enterprises in Japan: a cross-sectional study

Inoue,

Yazawa,

Muto

et al. 2024

BMJ Open

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ObjectivesSocial capital (SC) has been shown to be inversely associated with elevated blood pressure. While SC in the workplace may also be associated with blood pressure, it has not been extensively studied. We aimed to investigate the association between workplace SC and systolic blood pressure (SBP).DesignA cross-sectional study.Setting367 small-sized and medium-sized companies in Japan.ParticipantsA total of 23 173 participants (15 991 males and 7182 females) aged ≥18 years.Exposure of interestSC was assessed using individual responses to eight 4-point Likert questions used in the Brief Job Stress Questionnaire. Workplace SC was assessed as the mean of individual-level responses to the SC questions from those working in the same company.Outcome measureSystolic blood pressure (SBP)ResultsA multilevel linear regression model revealed that higher workplace-level SC was linked with lower SBP (coef.=−0.53 per 1SD increment in workplace SC, 95% CI=−1.02 to −0.05) among females in the age-adjusted model, which remained statistically significant after adjusting for other covariates. After adjusting for individual-level SC, this association was attenuated and became non-significant (coef.=−0.41, 95% CI=−0.87 to 0.05), while individual-level SC was inversely associated with SBP (coef.=−0.43, 95% CI=−0.73 to −0.13). Among males, we did not find any evidence of significant inverse associations either in relation to workplace SC (coef.=−0.12, 95% CI=−0.46 to 0.21) or individual-level SC (coef.=0.19, 95% CI=−0.01 to 0.39).ConclusionsOur study findings suggested that workplace-level SC can affect SBP differently by sex.

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Size of company of the longest-held job and mortality in older Japanese adults: A 6-year follow-up study from the Japan Gerontological Evaluation Study

Abstract: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 9 publications

References 24 publications

Changes in prevalence of Helicobacter pylori in Japan from 2008 to 2018: a repeated cross-sectional study

Changes in prevalence of Helicobacter pylori in Japan from 2008 to 2018: a repeated cross-sectional study

Effect of working from home on the association between job demands and psychological distress

Association between workplace social capital and systolic blood pressure among 23 173 workers at 367 small-sized and medium-sized enterprises in Japan: a cross-sectional study

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