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Frailty is a risk factor for occupational falls among older workers: an internet-based prospective cohort study
Ryutaro Matsugaki1, Yoshihisa Fujino2, Masayoshi Zaitsu3
1Department of Work Systems and Health, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, 1-1, Iseigaoka, Yahatanishiku, Kitakyushu 807-8555, Japan.
Objectives:
Occupational falls are a significant concern among older workers. Although recent cross-sectional studies have indicated a potential association between frailty and occupational falls among older workers, the causal relationship remains unclear. This longitudinal study aimed to investigate whether frailty is a risk factor for occupational falls among older workers using a longitudinal design.
Methods:
This was an internet-based prospective cohort study. A total of 5000 older workers (aged 60-75 years) were recruited, with 2873 participants meeting the inclusion criteria for the follow-up survey. Frailty was assessed using a frailty screening index based on the Fried phenotype model. Occupational falls were defined as those that occurred during the follow-up period.
Results:
Among the participants, 13.9% were frail. The incidence of occupational falls was higher in the frailty group (11.6%) than in the nonfrailty group (4.9%). In the multivariate-adjusted model, frailty was significantly associated with occupational falls (relative risk: 2.10; 95% CI, 1.51-2.94).
Conclusions:
Frailty is a significant risk factor for occupational falls among older workers. Employers should consider implementing health-management strategies that focus on frailty to prevent occupational falls in this population.
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