Association of marital status and access to dental care among the Japanese population: a cross-sectional study

BMC Oral Health

Table 2 Prevalence ratios for no dental treatment by Poisson regression analysis stratified by sex

Variable	Men (n = 1,862)
	Crude		Adjusted
	PR	95% CI	PR	95% CI
Marital status
Married	1.00		1.00
Non-married	1.37	1.14–1.65	1.33	1.14–1.56
Age (years)
40–49	1.00		1.00
50–59	1.13	0.94–1.37	1.22	1.00–1.48
60–69	1.00	0.83–1.20	1.09	0.89–1.34
≥ 70	0.76	0.61–0.94	0.84	0.64–1.09
Employment status
Employed	1.00		1.00
Unemployed	0.94	0.82–1.09	1.07	0.90–1.28
Education
Up to junior high school	0.95	0.76–1.19	0.99	0.78–1.25
High school	1.03	0.87–1.22	1.00	0.84–1.19
College	1.16	0.91–1.48	1.11	0.87–1.42
University or higher	1.00		1.00
Equivalent household expenditure (yen)
< 100,000	1.19	0.98–1.46	1.19	0.97–1.45
100,000−149,999	1.02	0.85–1.24	1.03	0.85–1.25
150,000–199,999	1.16	0.94–1.43	1.20	0.98–1.48
≥ 200,000	1.00		1.00	1.00
Smoking status
Current smoker	1.31	1.14–1.49	1.24	1.08–1.42
Non-smoker	1.00		1.00

Variable	Women (n = 2249)
	Crude		Adjusted
	PR	95% CI	PR	95% CI
Marital status
Married	1.00		1.00
Non-married	0.91	0.76–1.09	0.93	0.79–1.08
Age (years)
40–49	1.00		1.00
50–59	0.85	0.71–1.03	0.85	0.70–1.03
60–69	0.63	0.52–0.77	0.64	0.52–0.79
≥ 70	0.67	0.55–0.81	0.67	0.53–0.85
Employment status
Employed	1.00		1.00
Unemployed	0.82	0.72–0.94	0.95	0.81–1.11
Education
Up to junior high school	1.01	0.74–1.37	1.25	0.89–1.75
High school	1.06	0.79–1.42	1.16	0.86–1.57
College	1.10	0.81–1.49	1.10	0.81–1.49
University or higher	1.00		1.00
Equivalent household expenditure (yen)
< 100,000	1.06	0.87–1.29	1.05	0.86–1.28
100,000–149,999	0.97	0.81–1.17	0.95	0.79–1.14
150,000–199,999	1.00	0.81–1.23	0.99	0.80–1.22
≥ 200,000	1.00
Smoking status
Current smoker	1.26	1.03–1.53	1.13	0.92–1.38
Non-smoker	1.00		1.00

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