TABLE 2.
Crude and adjusted regressions of parental season of birth and offspring birth weight, birth length, and HAZ
| Exposure/outcome | Association | Sample size | Coefficient | 95% CI | P |
|---|---|---|---|---|---|
| Maternal season of birth/Offspring birth weight (kg) | Crude association between maternal season of birth and offspring birth weight | 2097 | −0.036 ± 0.018 | −0.071 to −0.001 | 0.05 |
| Adjusted for offspring sex | 2097 | −0.029 ± 0.018 | −0.064 to −0.005 | 0.09 | |
| Adjusted for offspring season of birtha | 2097 | −0.036 ± 0.018 | −0.071 to −0.001 | 0.04 | |
| Adjusted for parity | 2097 | −0.034 ± 0.018 | −0.069 to −0.0001 | 0.05 | |
| Adjusted for maternal height | 1991 | −0.295 ± 0.018 | −0.065 to −0.006 | 0.1 | |
| Adjusted for paternal height | 1683 | −0.037 ± 0.020 | −0.075 to −0.002 | 0.07 | |
| Adjusted for all of the above | 1631 | −0.025 ± 0.019 | −0.063 to −0.012 | 0.2 | |
| Maternal season of birth/Offspring birth length (mm) | Crude association between maternal season of birth and offspring birth length | 1172 | −4.228 ± 1.494 | −7.160 to −1.297 | 0.005 |
| Adjusted for offspring sex | 1172 | −4.027 ± 1.483 | −6.936 to −1.118 | 0.007 | |
| Adjusted for offspring season of birtha | 1172 | −4.156 ± 1.497 | −7.092 to −1.220 | 0.006 | |
| Adjusted for parity | 1172 | −3.907 ± 1.491 | −6.832 to −0.983 | 0.009 | |
| Adjusted for maternal height | 1107 | −4.274 ± 0.014 | −7.296 to −1.252 | 0.006 | |
| Adjusted for paternal height | 920 | −4.496 ± 1.722 | −7.875 to −1.116 | 0.009 | |
| Adjusted for all of the above | 889 | −4.033 ± 1.736 | −7.441 to −0.626 | 0.02 | |
| Paternal season of birth/Offspring HAZ at 24 mo | Crude association between paternal season of birth and offspring HAZ at 24 mo | 923 | −0.209 ± 0.074 | −0.353 to −0.064 | 0.005 |
| Adjusted for offspring sex | 923 | −0.197 ± 0.074 | −0.342 to −0.053 | 0.007 | |
| Adjusted for offspring season of measurementa | 922 | −0.208 ± 0.074 | −0.352 to −0.063 | 0.005 | |
| Adjusted for maternal height | 860 | −0.264 ± 0.070 | −0.401 to −0.127 | <0.001 | |
| Adjusted for paternal height | 702 | −0.199 ± 0.084 | −0.363 to −0.035 | 0.02 | |
| Adjusted for all of the above | 673 | −0.220 ± 0.077 | −0.371 to −0.069 | 0.004 |
Coefficient values are presented as means ± se. aOffspring season of birth and season of measurement were included in the multiple regression as Fourier terms