Table 3.
Predictors of dental care utilization among patients with severe mental illness
| Variable | Unadjusted odds ratio | Adjusted odds ratio | P value | |
|---|---|---|---|---|
| Estimate (95 % CI) | P value | Estimate (95 % CI) | ||
| Gender | ||||
| Female | 1 | 1 | ||
| Male | 0.89 (0.84–0.94) | <0.001 | 0.96 (0.91–1.02) | 0.207 |
| Age group | ||||
| 18–34 | 1 | 1 | ||
| 35–49 | 0.81 (0.74–0.89) | <0.001 | 0.75 (0.68–0.82) | <0.001 |
| 50–64 | 0.86 (0.78–0.94) | 0.001 | 0.67 (0.61–0.74) | <0.001 |
| 65+ | 0.49 (0.45–0.54) | <0.001 | 0.36 (0.33–0.40) | <0.001 |
| Socioeconomic status | ||||
| Low | 1 | 1 | ||
| Middle | 0.97 (0.91–1.04) | 0.378 | 0.93 (0.87–1.00) | 0.053 |
| High | 1.69 (1.54–1.85) | <0.001 | 1.34 (1.21–1.48) | <0.001 |
| Dentist/population ratioa | ||||
| Low | 1 | 1 | ||
| Middle | 1.29 (1.20–1.39) | <0.001 | 1.27 (1.18–1.38) | <0.001 |
| High | 1.62 (1.50–1.75) | <0.001 | 1.60 (1.48–1.73) | <0.001 |
| Hospitalization bed days | ||||
| Less than 30 days | 1 | 1 | ||
| 30 days or more | 0.75 (0.68–0.83) | <0.001 | 0.82 (0.73–0.91) | <0.001 |
| Low income | ||||
| No | 1 | 1 | ||
| Yes | 0.85 (0.75–0.95) | 0.006 | 0.73 (0.64–0.83) | <0.001 |
| Health care utilizationb | ||||
| Low | 1 | 1 | ||
| Middle | 2.08 (1.93–2.24) | <0.001 | 2.41 (2.23–2.61) | <0.001 |
| High | 2.82 (2.59–3.07) | <0.001 | 3.83 (3.50–4.19) | <0.001 |
aLow: less than 3.43, middle: 3.43–6.5, high: 6.51 or more (per 10,000 residents)
bumbers of outpatient visits in the year 2009; low: less than 18, middle: 19–48, high: 49 or more