Table 4.
Unadjusted and adjusted OR with 95% CIs for associations between breast feeding and dental caries between the ages of 30 and 66 months (nbaseline=43 113)
| Unadjusted model | Adjusted model* | |
|---|---|---|
| OR (95% CI) | OR (95% CI) | |
| Never breast fed (reference) vs | ||
| At 30 months (n=39 631) | ||
| Ever breast fed | 1.18 (0.99 to 1.41) | 1.23 (1.01 to 1.48) |
| At 42 months (n=38 486) | ||
| Ever breast fed | 0.99 (0.88 to 1.11) | 1.04 (0.92 to 1.18) |
| At 54 months (n=36 881) | ||
| Ever breast fed | 0.96 (0.87 to 1.06) | 1.00 (0.90 to 1.12) |
| At 66 months (n=35 547) | ||
| Ever breast fed | 0.96 (0.87 to 1.05) | 1.03 (0.93 to 1.14) |
| Breast fed for less than 6 months (reference) vs | ||
| At 30 months (n=39 631) | ||
| Breast fed for at least 6–7 months | 1.50 (1.38 to 1.62) | 1.68 (1.53 to 1.83) |
| At 42 months (n=38 486) | ||
| Breast fed for at least 6–7 months | 1.18 (1.12 to 1.25) | 1.29 (1.21 to 1.36) |
| At 54 months (n=36 881) | ||
| Breast fed for at least 6–7 months | 1.06 (1.01 to 1.11) | 1.11 (1.06 to 1.17) |
| At 66 months (n=35 547) | ||
| Breast fed for at least 6–7 months | 1.01 (0.97 to 1.06) | 1.07 (1.02 to 1.12) |
*Adjusted for birth weight, sex, parity, maternal age at delivery, maternal educational attainment, maternal smoking status, marital status at delivery, family, and region of birth and residence.