Table 3. Odds ratios for health check-up participation in the two years before the survey in eligible men and women, stratified by individual features of social status (results of binary logistic regressions for a total of 26555 participants).

	Men (10406 subjects)					Women (16149 subjects)
	%	Model 1		Model 2		%	Model 1		Model 2
		OR* (95% CI)	p-value	OR* (95% CI)	p-value		OR* (95% CI)	p-value	OR* (95% CI)	p-value
Social status
Low	45.0	0.58 (0.49–0.70)	p<0.001	–		45.5	0.61 (0.53–0.71)	p<0.001	–
Intermediate	51.1	0.76 (0.68–0.86)	p<0.001	–		51.3	0.91 (0.83–1.00)	n.s.	–
High	55.9	1.00		–		50.6	1.00		–
Educational level
Low	52.5	0.72 (0.64–0.82)	p<0.001	0.87 (0.74–1.03)	n.s.	51.3	0.83 (0.73–0.94)	p<0.01	0.95 (0.82–1.08)	n.s.
Intermediate	46.9	0.77 (0.68–0.87)	p<0.001	0.88 (0.76–1.02)	n.s.	48.7	0.93 (0.84–1.03)	n.s.	1.01 (0.90–1.13)	n.s.
High	56.0	1.00		1.00		49.0	1.00		1.00
Occupational status
Low	44.5	0.66 (0.55–0.78)	p<0.001	0.75 (0.61–0.92)	p<0.01	47.2	0.74 (0.64–0.85)	p<0.001	0.80 (0.69–0.93)	p<0.01
Intermediate	50.4	0.79 (0.70–0.89)	p<0.001	0.88 (0.76–1.02)	n.s.	50.5	0.92 (0.83–1.01)	n.s.	0.96 (0.86–1.07)	n.s.
High	56.8	1.00		1.00		51.7	1.00		1.00
Income
<60%	45.0	0.63 (0.52–0.77)	p<0.001	0.68 (0.55–0.84)	p<0.001	44.5	0.66 (0.56–0.78)	p<0.001	0.70 (0.59–0.83)	p<0.001
≥ 60% to <150%	50.9	0.82 (0.72–0.92)	p<0.01	0.84 (0.74–0.96)	p<0.05	50.7	0.88 (0.79–0.99)	p<0.05	0.90 (0.80–1.01)	n.s.
≥ 150%	55.2	1.00		1.00		52.3	1.00		1.00

OR, odds ratio; CI, confidence interval; %, weighted percentage; ^*adjusted for age, living with partner (yes/no), general state of health, overweight/obesity (yes/no), physical inactivity (yes/no), smoking status (smoker/ex-smoker/nonsmoker), hypertension (yes/no), depression (yes/no), diabetes (yes/no), renal insufficiency (yes/no); n.s., not significant (p ≥ 0.05); model 1, individual effects of social-status features; model 2, effects of socia-status features adjusted against one another