Table 2.

Prevalence ratios and 95% confidence intervals of poor subjective health by disaster-induced changes in socioeconomic status among 14,913 men and 18,437 women aged 20–64 years in Fukushima Health Management Survey, Fukushima, 2012

	Men		Women
	Unchanged	Changed	Unchanged	Changed
No. of participants	4133	10,780	5302	13,135
No. of cases	354	1858	529	2383
Crude	1.00 (reference)	2.01 (1.81–2.24)	1.00 (reference)	1.82 (1.66–1.99)
Age-adjusted	1.00 (reference)	2.10 (1.88–2.34)	1.00 (reference)	1.93 (1.77–2.11)
Model 1a	1.00 (reference)	2.02 (1.81–2.24)	1.00 (reference)	1.80 (1.65–1.97)
Model 2b	1.00 (reference)	1.56 (1.40–1.73)	1.00 (reference)	1.43 (1.31–1.55)
Percentage excess risks explained	45.1%		46.3%

^aModel 1 was adjusted for age (5-year categories), history of diseases (hypertension, diabetes, hyperlipidemia, cancer, stroke, heart disease, chronic hepatitis, pneumoia, bone fracture, or thyroid disease), history of mental illness (yes or no), activities of daily living (go shopping for daily necessities; can do by myself or can’t do by myself), education (elementary school • junior high school, high school, or vocational college/ junior college or university • graduate school), and evacuation place (Fukushima or other prefecture)

^bModel 2 was further adjusted Model 1 for smoking (never smoked, quit, or current smoker), alcohol consumption (less than once a month, quit, or at least once a month), satisfaction of sleep (satisfied, slightly dissatisfied, or complaint), participation in recreation and community activity (never or rarely, sometimes, or often), and regular exercise (almost every day, 2–4 times/week, or ≤1 time /week)