Independent variables | P-value | Odds ratio | 95% confidence interval |
---|---|---|---|
Dependent variable: Number of teeth 1+ vs 0 teeth (Model I) | |||
Linear trend over time | <0.001 | 0.20 | 0.13-0.31 |
38 years old (reference) | |||
50 years old | <0.001 | 4.79 | 2.73-8.43 |
Living together (reference) | |||
Single living | 0.028 | 1.74 | 1.06-2.84 |
High social group (reference) | |||
Medium social group | 0.051 | 7.42 | 0.99-55.45 |
Low social group | 0.002 | 24.72 | 3.38-180.96 |
Dependent variable: Number of teeth 11+ vs 0–10 teeth (Model II) | |||
Linear trend over time | <0.001 | 0.21 | 0.15-0.28 |
38 years old (reference) | |||
50 years old | <0.001 | 5.09 | 3.45-7.50 |
Living together (reference) | |||
Single living | 0.004 | 1.74 | 1.20-2.52 |
High social group (reference) | |||
Medium social group | 0.001 | 4.86 | 1.90-12.43 |
Low social group | <0.001 | 11.57 | 4.58-29.35 |
Dependent variable: Number of teeth 21+ vs 0–20 teeth (Model III) | |||
Linear trend over time | <0.001 | 0.25 | 0.21-0.30 |
38 years old (reference) | |||
50 years old | <0.001 | 4.94 | 3.72-6.55 |
Living together (reference) | |||
Single living | 0.001 | 1.63 | 1.21-2.20 |
High social group (reference) | |||
Medium social group | <0.001 | 2.92 | 1.78-4.80 |
Low social group | <0.001 | 5.61 | 3.41-9.23 |
Dependent variable: Number of teeth 25+ vs 0–24 teeth (Model IV) | |||
Linear trend over time | <0.001 | 0.30 | 0.26-0.34 |
38 years old (reference) | |||
50 years old | <0.001 | 4.39 | 3.42-5.63 |
Living together (reference) | |||
Single living | 0.005 | 1.48 | 1.13-1.93 |
High social group (reference) | |||
Medium social group | <0.001 | 2.13 | 1.47-3.10 |
Low social group | <0.001 | 4.13 | 2.81-6.08 |