Table 5. Prevalence and odds ratios for poor oral health according to husbands’ income among married women.

	%	Model 1 OR (95% CI)	Model 2 OR (95% CI)	Model 3 OR (95% CI)
Total (n = 1,303)
Husbands’ income
4th quartile	19.6	1.00	1.00	1.00
3rd quartile	21.1	1.10 (0.65–1.87)	1.10 (0.64–1.87)	1.06 (0.62–1.82)
2nd quartile	23.9	1.39 (0.86–2.25)	1.40 (0.87–2.27)	1.33 (0.81–2.18)
1st quartile (lowest)	27.3	1.72 (1.03–2.86)	1.62 (0.96–2.72)	1.49 (0.87–2.57)
Unemployed (n = 570)
Husbands’ income
4th quartile	15.1	1.00	1.00	1.00
3rd quartile	16.5	1.12 (0.49–2.55)	1.10 (0.48–2.53)	1.08 (0.47–2.50)
2nd quartile	24.3	1.86 (0.88–3.96)	1.84 (0.86–3.92)	1.81 (0.83–3.93)
1st quartile (lowest)	29.7	2.51 (1.18–5.37)	2.35 (1.10–5.05)	2.32 (1.04–5.16)
Employed (n = 731)
Husbands’ income
4th quartile	24.6	1.00	1.00	1.00
3rd quartile	25.2	1.02 (0.50–2.07)	1.01 (0.49–2.05)	0.97 (0.47–1.99)
2nd quartile	20.3	0.87 (0.46–1.67)	0.86 (0.45–1.65)	0.83 (0.43–1.62)
1st quartile (lowest)	28.8	1.54 (0.78–3.02)	1.43 (0.73–2.83)	1.34 (0.66–2.73)

CI, confidence interval; OR, odds ratio.

Interaction between employment status and husbands’ income: model 1, P = 0.180; model 2, P = 0.197; model 3, P = 0.212.

Model 1: adjusted for age and municipality.

Model 2: model 1 + adjusted for psychological distress.

Model 3: model 2 + adjusted for women’s educational attainment and husbands’ educational attainment.