Purpose: This study compared working cancer survivors’ self-rated health status (SRHS), physical functional capacity, depressive symptoms, and happiness to those of cancer-free workers. Methods: A nationwide general population-based cross-sectional study on a sample of Japanese was conducted. Prevalence of deteriorated SRHS, restricted physical functional capacity, depressive symptoms, and perceived happiness were compared between working cancer survivors and cancer-free workers with multivariable logistic regression analysis adjusted for age and sociodemographic and health-related backgrounds. Results: Of the 28,311 male and 26,068 female workers, 977 (3.5%) and 1267 (4.9%) were cancer survivors, respectively. Working cancer survivors reported deteriorated SRHS more frequently than cancer-free workers: 21.3% vs. 13.8%, multivariable-adjusted odds ratio (95% confidence interval), 1.64 (1.39–1.95) for men, 23.8% vs. 17.5%, 1.34 (1.16–1.54) for women. Restricted physical functional capacity was reported more frequently in working cancer survivors than cancer-free workers: 6.8% vs. 2.6%, 1.76 (1.34–2.32) for men, 4.9% vs. 2.0%, 2.06 (1.56–2.71) for women. No significant difference was found for depressive symptoms: 21.6% vs. 22.9% in men, 30.0% vs. 28.5% in women. Working cancer survivors felt happiness more frequently than cancer-free survivors in men (77.3% vs. 71.7%, 1.21 (1.01–1.45)) but not in women (76.1% vs. 74.9%). Conclusions: Working cancer survivors had worse SRHS and more restricted physical functional capacity than cancer-free workers. In men, working cancer survivors felt happiness more frequently than cancer-free workers. Implications for Cancer Survivors: Continuous support to improve cancer survivors’ SRHS and physical functional capacity would be necessary even while they are working.
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