Table 3.
Gestational week | Communication | Gross motor | Fine motor | Problem–solving | Personal social behavior | |||||
---|---|---|---|---|---|---|---|---|---|---|
Crude β | Adjusted βa | Crude β | Adjusted βa | Crude β | Adjusted βa | Crude β | Adjusted βa | Crude β | Adjusted βa | |
(95% CI) | (95% CI) | (95% CI) | (95% CI) | (95% CI) | (95% CI) | (95% CI) | (95% CI) | (95% CI) | (95% CI) | |
<34 (very and moderately preterm) |
−2.64 *** (−2.92, −2.37) |
−1.84*** (−2.12, −1.56) |
−3.20 *** (−3.53, −2.86) |
−2.02 *** (−2.36, −1.69) |
−2.56*** (−2.92, −2.20) |
−0.16*** (−1.95, −1.24) |
−2.50 *** (−2.77, −2.22) |
−0.19*** (−1.06, −0.68) |
−1.84*** (−2.09, −1.59) |
−1.57*** (−1.82, −1.32) |
34–36 (late–preterm) |
−1.59 *** (−1.78, −1.41) |
−0.80*** (−1.00, −0.61) |
−2.38*** (−2.62, −2.15) |
−1.18*** (−1.41, −0.95) |
−1.86*** (−2.11, −1.62) |
−0.93*** (−1.18, −0.69) |
−0.14*** (−1.58, −1.20) |
−0.87*** (−1.06, −0.68) |
−0.81*** (−0.98, −0.63) |
−0.59*** (−0.76, −0.41) |
37–38 (early–term) |
−0.51*** (−0.64, −0.39) |
−0.31*** (−0.44, −0.18) |
−0.65 *** (−0.81, −0.50) |
−0.39*** (−0.54, −0.24) |
−0.68*** (−0.85, 0.52) |
−0.46*** (0.62, −0.29) |
−0.39*** (−0.52, −0.27) |
−0.25*** (−0.38, −0.12) |
−0.33*** (−0.45, −0.22) |
−0.28*** (−0.40, −0.17) |
39–40 (full–term) | Reference | Reference | Reference | Reference | Reference | Reference | Reference | Reference | Reference | Reference |
41 (late–term) |
0.11 (−0.11, 0.34) |
0.12 (−0.11, 0.34) |
0.21 (−0.06, 0.48) |
0.11 (−0.16, 0.38) |
−0.01 (−0.31, 0.28) |
0.11 (−0.18, 0.40) |
0.001 (−0.22, 0.22) |
0.13 (−0.09, 0.35) |
−0.04 (−0.24, 0.17) |
0.07 (−0.14, 0.027) |
>41 (post–term) |
−1.22*** (−1.47, −0.98) |
−0.64 *** (−0.89, −0.39) |
−1.14*** (−1.44, −0.83) |
−0.31* (−0.61, −0.01) |
−0.65 *** (−0.97, −0.32) |
−0.10 (−0.42, 0.22) |
−0.94*** (−1.19, −0.69) |
−0.56*** (−0.81, −0.32) |
−0.0.39*** (0.61, −0.17) |
−0.23* (−0.46, −0.01) |
*p < 0.05, **p < 0.01, ***p < 0.001.
bAdjusting for the child, family characteristics and maternal health during pregnancy.