Risk factors 0–6 m | Model 1 | Model 2 | Model 3 | n (total) = 1780 | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
n in model | OR | 95% CI | p | n in model | OR | 95% CI | p | n in model | OR | 95% CI | p | |
Breastfeeding | ||||||||||||
 0 months | 1713 |  |  |  | 1577 |  |  |  | 1355 |  |  |  |
  No |  | 1 | Ref |  |  | 1 | Ref |  |  | 1 | Ref |  |
  Yes |  | 0.89 | 0.58, 1.37 | 0.590 |  | 0.89 | 0.56, 1.41 | 0.623 |  | 0.80 | 0.49, 1.32 | 0.389 |
 3–4 months | 1710 |  |  |  | 1568 |  |  |  | 1347 |  |  |  |
  No |  | 1 | Ref |  |  | 1 | Ref |  |  | 1 | Ref |  |
  Yes |  | 0.64 | 0.50, 0.82 | < 0.001 |  | 0.63 | 0.48, 0.82 | 0.001 |  | 0.59 | 0.44, 0.79 | < 0.001 |
 6 months | 1648 |  |  |  | 1513 |  |  |  | 1305 |  |  |  |
  No |  | 1 | Ref |  |  | 1 | Ref |  |  | 1 | Ref |  |
  Yes |  | 0.64 | 0.52, 0.78 | < 0.001 |  | 0.64 | 0.52, 0.80 | < 0.001 |  | 0.64 | 0.50, 0.82 | < 0.001 |
Bottle-feeding | ||||||||||||
 0 months | 1635 |  |  |  | 1508 |  |  |  | 1302 |  |  |  |
  No |  | 1 | Ref |  |  | 1 | Ref |  |  | 1 | Ref |  |
  Yes |  | 2.06 | 1.62, 2.61 | < 0.001 |  | 2.15 | 1.67, 2.76 | < 0.001 |  | 2.26 | 1.71, 2.97 | < 0.001 |
 3–4 months | 1278 |  |  |  | 1172 |  |  |  | 1004 |  |  |  |
  No |  | 1 | Ref |  |  | 1 | Ref |  |  | 1 | Ref |  |
  Yes |  | 1.73 | 1.36, 2.20 | < 0.001 |  | 1.70 | 1.31, 2.19 | < 0.001 |  | 1.69 | 1.27, 2.23 | < 0.001 |
 6 months | 1704 |  |  |  | 1563 |  |  |  | 1346 |  |  |  |
  No |  | 1 | Ref |  |  | 1 | Ref |  |  | 1 | Ref |  |
  Yes |  | 1.65 | 1.29, 2.10 | < 0.001 |  | 1.66 | 1.29, 2.14 | < 0.001 |  | 1.59 | 1.20, 2.10 | 0.001 |
Nighttime meals | ||||||||||||
 3–4 months | 1713 |  |  |  | 1571 |  |  |  | 1349 |  |  |  |
  No |  | 1 | Ref |  |  | 1 | Ref |  |  | 1 | Ref |  |
  Yes |  | 0.78 | 0.62, 1.00 | 0.049 |  | 0.79 | 0.61, 1.03 | 0.081 |  | 0.83 | 0.63, 1.10 | 0.200 |
 6 months | 1711 |  |  |  | 1569 |  |  |  | 1350 |  |  |  |
  No |  | 1 | Ref |  |  | 1 | Ref |  |  | 1 | Ref |  |
  Yes |  | 0.73 | 0.59, 0.90 | 0.003 |  | 0.73 | 0.59, 0.91 | 0.004 |  | 0.74 | 0.58, 0.93 | 0.011 |