Intervention Cohort (n = 1267) | Control Cohort (n = 4826) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Rate | % | 95% CI | P trend* | Rate | % | 95% CI | P trend* | OR* | 95% CI | |
At 2 year after birth | ||||||||||
Maternal smoking | 123/1244 | 9.9 | 8.4-11.7 | 0.87 | 885/4661 | 19.0 | 17.9-20.1 | <0.001 | 0.50 | 0.41-0.61 |
Paternal smoking | 136/1183 | 11.5 | 9.8-13.4 | 0.11 | 760/4217 | 18.0 | 16.9-19.2 | <0.001 | 0.62 | 0.51-0.75 |
Keeping dog in house | 96/1198 | 8.0 | 6.6-9.7 | 0.53 | 368/4403 | 8.4 | 7.6-9.2 | 0.23 | 0.95 | 0.75-1.21 |
Keeping cat in house | 133/1198 | 11.1 | 9.4-13.0 | 0.41 | 398/4403 | 9.0 | 8.2-9.9 | 0.71 | 1.31 | 1.06-1.62 |
Indoor dampness index | 46/1259 | 3.7 | 2.7-4.9 | 0.10 | 170/4740 | 3.6 | 3.1-4.2 | 0.11 | 1.03 | 0.74-1.45 |
Children's diet at 2 year of age | ||||||||||
Cod liver oil 4 times a week or more | 539/1257 | 42.9 | 40.2-45.6 | 0.43 | 1609/4767 | 33.8 | 32.4-35.1 | 0.80 | 1.44 | 1.27-1.64 |
Any kind of fish once a week or more | 926/1258 | 73.6 | 71.1-76.0 | 0.87 | 3398/4782 | 71.1 | 69.8-72.3 | 0.96 | 1.13 | 0.98-1.30 |
Oily fish once a week or more | 625/1264 | 49.4 | 46.7-52.2 | 0.04 | 1679/4809 | 34.9 | 33.6-36.3 | <0.001 | 1.85 | 1.63-2.10 |
Lean fish once a week or more | 768/1256 | 61.1 | 58.4-63.8 | 0.61 | 3086/4776 | 64.6 | 63.3-66.0 | 0.07 | 0.85 | 0.75-0.97 |
Vegetables almost daily | 630/1252 | 50.3 | 47.6-53.1 | 0.25 | 2340/4735 | 49.4 | 48.0-50.8 | <0.001 | 1.01 | 0.89-1.15 |