Table 3.
Multivariate Analysis Based on Logistic Regression of Variables Associated with Caries Experience in Children Aged 7 y (dmft).
| Crude Model | Adjusted Model 1a | Adjusted Model 2b | Adjusted Model 3c | |||||
|---|---|---|---|---|---|---|---|---|
| Variable: Category | OR (95% CI) | P Value | OR (95% CI) | P Value | OR (95% CI) | P Value | OR (95% CI) | P Value |
| Family income (quintile) | ||||||||
| 1st (lowest) | 3.44(3.26 to 3.64) | <0.001 | 1.82(1.72 to 1.92) | <0.001 | 1.73(1.65 to 1.80) | <0.001 | ||
| 2nd | 1.89(1.79 to 2.00) | <0.001 | 1.34(1.29 to 1.45) | <0.001 | 1.27(1.21 to 1.38) | <0.001 | ||
| 3rd | 1.45(1.37 to 1.54) | <0.001 | 1.17(1.14 to 1.23) | <0.001 | 1.15(1.10 to 1.23) | <0.001 | ||
| 4th | 1.19(1.12 to 1.26) | <0.001 | 1.07(1.01 to 1.13) | 0.034 | 1.04(0.98 to 1.13) | 0.212 | ||
| 5th (highest) | 1 | 1 | 1 | |||||
| Maternal country at birth | ||||||||
| Well developed | 1 | <0.001 | 1 | <0.001 | 1 | <0.001 | ||
| Underdeveloped | 4.12(4.00 to 4.30) | 2.89(2.80 to 3.01) | 2.96(2.82 to 3.15) | |||||
| Parity | ||||||||
| 1 child | 1 | <0.001 | 1 | 1 | <0.001 | |||
| ≥2 children | 1.52(1.47 to 1.57) | 1.37(1.32 to 1.43) | <0.001 | 1.45(1.41 to 1.54) | ||||
| Maternal education level, y | ||||||||
| ≤9 | 4.22(3.99 to 4.45) | <0.001 | 2.22(2.13 to 2.32) | <0.001 | 1.85(1.71 to 2.16) | <0.001 | ||
| 10 to 12 | 1.79(1.72 to 1.85) | <0.001 | 1.49(1.43 to 1.50) | <0.001 | 1.38(1.33 to 1.41) | <0.001 | ||
| ≥13 | 1 | 1 | 1 | |||||
| Marital status | ||||||||
| Cohabiting parents | 1 | <0.001 | 1 | <0.001 | 1 | <0.001 | ||
| Single | 1.57(1.51 to 1.63) | 1.46(1.40 to 1.51) | 1.37(1.31 to 1.42) | |||||
| Maternal age at delivery, y | ||||||||
| 25 to 34 | 1 | 1 | 1 | |||||
| <25 | 2.13(2.04 to 2.23) | <0.001 | 1.99(1.89 to 2.01) | <0.001 | 1.41(1.31 to 1.53) | <0.001 | ||
| >34 | 1.12(1.07 to 1.17) | <0.001 | 1.11(1.06 to 1.17) | <0.001 | 1.17(1.06 to 1.16) | <0.001 | ||
| Smoking during pregnancy | ||||||||
| No | 1 | <0.001 | 1 | <0.001 | 1 | <0.001 | ||
| Yes | 2.01(1.90 to 2.13) | 1.73(1.63 to 1.85) | 1.56(1.42 to 1.63) | |||||
| Obesity | ||||||||
| No | 1 | <0.001 | 1 | <0.001 | 1 | <0.001 | ||
| Yes | 1.58(1.48 to 1.69) | 1.52(1.42 to 1.63) | 1.18(1.12 to 1.31) | |||||
| Maternal health condition | ||||||||
| Healthy | 1 | 0.005 | 1 | 0.420 | 1 | 0.440 | ||
| Not healthy | 1.07(1.02 to 1.12) | 1.02(0.97 to 1.08) | 0.92(0.94 to 1.09) | |||||
Bold indicates P < 0.05.
OR, odds ratio.
a
Model 1: sociodemographic factors.
b
Model 2: maternal health factors.
c
Model 3: sociodemographic factors + maternal health factors.