Table 3.
PRs and 95% CIs for preventive dental care use
| % of preventive dental care use | Crude | Multivariate-adjusteda | |||||
|---|---|---|---|---|---|---|---|
| PR (95% CI) | PR (95% CI) | ||||||
| Health literacy | |||||||
| 1st quartile (lowest) | 27.2 | 1.00 | 1.00 | ||||
| 2nd quartile | 28.6 | 1.05 | (0.92–1.20) | 1.02 | (0.89–1.16) | ||
| 3rd quartile | 27.7 | 1.02 | (0.88–1.19) | 0.95 | (0.81–1.11) | ||
| 4th quartile (highest) | 32.8 | 1.21 | (1.04–1.40) | 1.17 | (1.00–1.36) | ||
| Age | |||||||
| 25–34 years | 27.9 | 1.00 | 1.00 | ||||
| 35–44 years | 27.4 | 0.98 | (0.88–1.10) | 0.98 | (0.87–1.11) | ||
| 45–50 years | 33.3 | 1.19 | (1.05–1.36) | 1.16 | (1.01–1.33) | ||
| Sex | |||||||
| Men | 23.6 | 1.00 | 1.00 | ||||
| Women | 33.3 | 1.41 | (1.27–1.57) | 1.42 | (1.27–1.59) | ||
| Marital status | |||||||
| Married | 29.6 | 1.00 | 1.00 | ||||
| Unmarried | 26.8 | 0.91 | (0.81–1.02) | 0.97 | (0.86–1.10) | ||
| Working status | |||||||
| Working | 27.6 | 1.00 | 1.00 | ||||
| Not working | 33.4 | 1.21 | (1.08–1.36) | 1.10 | (0.97–1.25) | ||
| Educational attainment | |||||||
| High school or lower | 24.1 | 1.00 | 1.00 | ||||
| College | 30.9 | 1.28 | (1.11–1.48) | 1.18 | (1.02–1.37) | ||
| University or higher | 29.5 | 1.22 | (1.06–1.41) | 1.18 | (1.02–1.37) | ||
| Equivalent household income | |||||||
| 1st quartile (lowest) | 23.6 | 1.00 | 1.00 | ||||
| 2nd quartile | 27.8 | 1.18 | (1.01–1.37) | 1.19 | (1.03–1.39) | ||
| 3rd quartile | 29.9 | 1.27 | (1.09–1.48) | 1.30 | (1.11–1.52) | ||
| 4th quartile (highest) | 34.3 | 1.46 | (1.26–1.68) | 1.46 | (1.25–1.71) | ||
PR, prevalence ratio; 95% CI, 95% confidence interval
aAdjusted for all other variables in the table.