Null model | Model 1 | Model 2 | Model 3 | Model 4 | Model 5 | Model 6 | Model 7 | Model 8 | Model 9 | |||||||||||
β | P | β | P | β | P | β | P | β | P | β | P | β | P | β | P | β | P | β | P | |
Intercept | 15.2471 | <0.001 | 12.6501 | <0.001 | 12.8187 | <0.001 | 11.28 | <0.001 | 12.7736 | <0.001 | 12.6949 | <0.001 | 12.8078 | <0.001 | 12.6118 | <0.001 | 12.6628 | <0.001 | 12.7622 | <0.001 |
Age 0 year | REF | REF | REF | REF | REF | REF | REF | REF | REF | |||||||||||
Age 1.5 year | 4.0715 | <0.001 | 3.9414 | <0.001 | 5.5908 | <0.001 | 4.0141 | <0.001 | 4.2522 | <0.001 | 4.2721 | <0.001 | 4.1562 | <0.001 | 3.8118 | <0.001 | 3.7615 | <0.001 | ||
Age 2 year | 3.4631 | <0.001 | 3.3388 | <0.001 | 4.9701 | <0.001 | 3.4098 | <0.001 | 3.3805 | <0.001 | 3.4895 | <0.001 | 3.5224 | <0.001 | 3.3695 | <0.001 | 3.336 | <0.001 | ||
Age 3 year | 3.0416 | <0.001 | 2.9167 | <0.001 | 4.7529 | <0.001 | 3.0082 | <0.001 | 3.3894 | <0.001 | 3.1509 | <0.001 | 3.1085 | <0.001 | 2.9379 | <0.001 | 2.9246 | <0.001 | ||
Low birth weight vs. ≥2500 g | −2.0189 | <0.001 | ||||||||||||||||||
Low birth weight × age 0 | REF | |||||||||||||||||||
Low birth weight × age 1.5 | 1.4965 | <0.001 | ||||||||||||||||||
Low birth weight × age 2 | 1.4696 | <0.001 | ||||||||||||||||||
Low birth weight × age 3 | 1.4312 | <0.001 | ||||||||||||||||||
Preterm vs. others | 1.4493 | <0.001 | ||||||||||||||||||
Preterm × age 0 | REF | |||||||||||||||||||
Preterm × age 1.5 | −1.608 | <0.001 | ||||||||||||||||||
Preterm × age 2 | −1.5914 | <0.001 | ||||||||||||||||||
Preterm × age 3 | −1.809 | <0.001 | ||||||||||||||||||
First child vs. others | −0.293 | 0.0355 | −0.2926 | 0.0357 | ||||||||||||||||
First child × age 0 | REF | |||||||||||||||||||
First child × age 1.5 | 0.1595 | 0.259 | 0.1706 | 0.2278 | ||||||||||||||||
First child × age 2 | 0.1684 | 0.2201 | 0.1714 | 0.2134 | ||||||||||||||||
First child × age 3 | 0.1385 | 0.2973 | 0.1407 | 0.2906 | ||||||||||||||||
Smoking vs. non-smoking mother | −0.0292 | 0.8934 | ||||||||||||||||||
Maternal smoking × age 0 | REF | |||||||||||||||||||
Maternal smoking × age 1.5 | −0.1969 | 0.4922 | ||||||||||||||||||
Maternal smoking × age 2 | 0.08705 | 0.7506 |