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Regression model for baby’s length at term (37 weeks or more)
| Adjusted difference | 95% CI | p-value | |
|---|---|---|---|
| Gestational age |
0.352 |
0.273, 0.432 |
<0.0001 |
| BMI |
0.028 |
0.011, 0.044 |
0.001 |
| Maternal age |
0.021 |
0.005, 0.037 |
0.011 |
| SHS | -0.261 | -0.464, -0.058 | 0.012 |
Statistical tests used were student t test, chi-square test, and Fisher exact test.
BMI = Body mass index. SHS = Secondhand smoke.
