Table 3.
Multivariable logistic regression analysis for knowledge dimension about tooth loss and dentures
| Knowledge | Univariable logistic regression | Multivariable logistic regression | ||
|---|---|---|---|---|
| OR (95% CI) | P-value | OR (95% CI) | P-value | |
| Gender | ||||
| Male | REF | REF | ||
| Female | 0.112(0.094-0.133) | <0.001 | 0.561(0.445-0.707) | <0.001 |
| Age | 0.904(0.897-0.911) | <0.001 | 0.956(0.947-0.966) | <0.001 |
| Residence | ||||
| Rural | REF | REF | ||
| Urban | 0.124(0.066-0.233) | <0.001 | 0.793(0.374-1.679) | 0.544 |
| Suburban | 0.019(0.01-0.037) | <0.001 | 0.453(0.204-1.006) | 0.052 |
| Education | ||||
| ≤ Middle School | REF | REF | ||
| High School | 0.95(0.596-1.513) | 0.828 | 1.009(0.58-1.754) | 0.975 |
| College/Bachelor | 0.123(0.085-0.179) | <0.001 | 0.572(0.354-0.924) | 0.022 |
| Master and above | 0.029(0.018-0.046) | <0.001 | 0.378(0.212-0.674) | 0.001 |
| Occupation | ||||
| Unemployed | REF | REF | ||
| Employed | 7.143(5.933-8.599) | <0.001 | 1.655(1.287-2.127) | <0.001 |
| Self-employed | 1.066(0.776-1.465) | 0.692 | 1.143(0.763-1.713) | 0.516 |
| Student | 0.781(0.553-1.103) | 0.161 | 0.861(0.561-1.322) | 0.495 |
| Household income, Yuan per month | ||||
| <5,000 | REF | REF | ||
| 5,001-10,000 | 0.478(0.324-0.704) | <0.001 | 1.203(0.757-1.913) | 0.434 |
| 10,001-20,000 | 0.13(0.087-0.193) | <0.001 | 0.882(0.542-1.437) | 0.615 |
| >20,000 | 0.067(0.036-0.124) | <0.001 | 0.671(0.313-1.437) | 0.304 |
| Prefer not to say | 0.039(0.026-0.057) | <0.001 | 0.58(0.357-0.945) | 0.029 |
| Marital Status | ||||
| Unmarried/Divorced/Widowed | REF | REF | ||
| Married | 0.193(0.156-0.24) | <0.001 | 0.618(0.455-0.84) | 0.002 |
| Prefer not to say | 0.023(0.015-0.037) | <0.001 | 0.283(0.165-0.484) | <0.001 |
| Smoking | ||||
| No | REF | REF | ||
| Yes | 0.215(0.159-0.460) | <0.001 | 0.25(0.868-1.8) | 0.230 |
| Drinking | ||||
| No | REF | REF | ||
| Yes | 0.381(0.162-0.519) | <0.001 | 0.65(0.478-0.811) | 0.004 |
| Medical insurance | ||||
| No medical insurance | REF | REF | ||
| Social medical insurance | 14.958(9.377-23.861) | <0.001 | 2.821(1.59-5.005) | <0.001 |
| Commercial medical insurance | 2.849(1.664-4.875) | <0.001 | 1.613(0.835-3.117) | 0.155 |
| Both social and commercial medical insurance | 1.610(0.990-2.617) | 0.055 | 1.238(0.686-2.233) | 0.479 |
| Disease duration | 0.946(0.94-0.952) | <0.001 | 0.989(0.98-0.999) | 0.035 |
| Family history | ||||
| No | REF | REF | ||
| Yes | 5.722(4.784-6.845) | <0.001 | 1.821(1.443-2.298) | <0.001 |
| Not sure | 0.326(0.249-0.428) | <0.001 | 0.523(0.378-0.722) | <0.001 |
| With treatment | ||||
| No | REF | REF | ||
| Yes | 1.732(1.423-2.109) | <0.001 | 2.332(1.68-3.237) | <0.001 |
| Underlying diseases | ||||
| No | REF | REF | ||
| Yes | 0.506(0.437-0.586) | <0.001 | 0.745(0.597-0.929) | 0.009 |