Table 3.
Multivariable logistic regression analysis of factors predicting dental caries in children at 3 years old.
| Variables | All (n = 31,202) | Boy (n = 16,052) | Girl (n = 15,150) | |||
|---|---|---|---|---|---|---|
| OR a (95% CI b) | p | OR c (95% CI b) | p | OR c (95% CI b) | p | |
| Breastfeeding | ||||||
| No | 1.0 | 1.0 | 1.0 | |||
| Yes | 2.06 (1.93, 2.21) | <0.001 | 2.21 (2.01, 2.43) | <0.001 | 1.91 (1.73, 2.11) | <0.001 |
| Daily frequency of sweet snack intake | ||||||
| 0 | 1.0 | 1.0 | 1.0 | |||
| 1 | 2.00 (1.46, 2.74) | <0.001 | 2.35 (1.51, 3.65) | <0.001 | 1.65 (1.05, 2.60) | <0.001 |
| 2 | 3.21 (2.34, 4.40) | <0.001 | 3.78 (2.43, 5.87) | <0.001 | 2.64 (1.68, 4.16) | <0.05 |
| 3 | 3.90 (2.79, 5.45) | <0.001 | 4.61 (2.90, 7.35) | <0.001 | 3.20 (1.97, 5.17) | <0.001 |
| Daily sugar-sweetened beverage consumption | ||||||
| No | 1.0 | 1.0 | 1.0 | |||
| Yes | 1.56 (1.46, 1.65) | <0.001 | 1.55 (1.42, 1.69) | <0.001 | 1.55 (1.41, 1.70) | <0.001 |
| Child’s bedtime | ||||||
| Before 9 p.m. | 1.0 | 1.0 | 1.0 | |||
| 9~11 p.m. | 1.33 (1.23, 1.45) | <0.001 | 1.33 (1.19, 1.49) | <0.001 | 1.34 (1.18, 1.51) | <0.001 |
| After 11 p.m. | 1.85 (1.61, 2.12) | <0.001 | 1.59 (1.30, 1.93) | <0.001 | 2.13 (1.75, 2.58) | <0.001 |
| Irregular | 1.71 (1.51, 1.93) | <0.001 | 1.74 (1.47, 2.06) | <0.001 | 1.67 (1.39, 2.01) | <0.001 |
| Daily toothbrushing by parents | ||||||
| Yes | 1.0 | 1.0 | 1.0 | |||
| No | 1.32 (1.24, 1.41) | <0.001 | 1.30 (1.19, 1.42) | <0.001 | 1.35 (1.23, 1.49) | <0.001 |
| Varnish of fluoride | ||||||
| Yes | 1.0 | 1.0 | 1.0 | |||
| No | 1.49 (1.37, 1.62) | <0.001 | 1.53 (1.37, 1.72) | <0.001 | 1.44 (1.27, 1.63) | <0.001 |
| Smoking of family members | ||||||
| No | 1.0 | 1.0 | 1.0 | |||
| Yes | 1.43 (1.34, 1.52) | <0.001 | 1.41 (1.29, 1.54) | <0.001 | 1.45 (1.32, 1.59) | <0.001 |
a OR: Odds ratio (adjusted for nationality, gender, order of birth, cariostat score); b CI: Confidence interval; c Odds ratio adjusted for nationality, order of birth, cariostat score.