Work-based social networks and health status among Japanese employees

E. Suzuki, S. Takao, S. V. Subramanian, H. Doi, I. Kawachi

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Background: Despite the worldwide trend towards more time being spent at work by employed people, few studies have examined the independent influences of work-based versus home-based social networks on employees' health. We examined the association between work-based social networks and health status by controlling for home-based social networks in a cross-sectional study. Methods: By employing a two-stage stratified random sampling procedure, 1105 employees were identified from 46 companies in Okayama, Japan, in 2007. Work-based social networks were assessed by asking the number of co-workers whom they consult with ease on personal issues. The outcome was self-rated health; the adjusted OR for poor health compared employees with no network with those who have larger networks. Results: Although a clear (and inverse) dose-response relationship was found between the size of work-based social networks and poor health (OR 1.53, 95% CI 1.03 to 2.27, comparing those with the lowest versus highest level of social network), the association was attenuated to statistical non-significance after we controlled for the size of home-based social networks. In further analyses stratified on age groups, in older workers (≥50 years) work-based social networks were apparently associated with better health status, whereas home-based networks were not. The reverse was true among middle-aged workers (30-49 years). No associations were found among younger workers (<30 years). Conclusions: The present study suggests a differential association of alternative sources of social support on health according to age groups. We hypothesise that these patterns reflect generational differences in workers' commitment to their workplace.

Original languageEnglish
Pages (from-to)692-696
Number of pages5
JournalJournal of Epidemiology and Community Health
Volume63
Issue number9
DOIs
Publication statusPublished - Sep 2009

ASJC Scopus subject areas

  • Epidemiology
  • Public Health, Environmental and Occupational Health

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