TABLE 5.
Associations of maternal characteristics and markers of endocrine activity in maternal and umbilical cord serum with newborn BF% measured by plethysmography12
| Newborn %BF |
||
|---|---|---|
| R2 | P | |
| Maternal characteristics | ||
| Age, y | 0.02 | 0.79 |
| Ethnicity | 0.05 | 0.12 |
| Education level | 0.02 | 0.39 |
| Health status during pregnancy | 0.07 | 0.16 |
| Smoking | −0.01 | 0.48 |
| Pregnancies, n | 0.04 | 0.29 |
| Parity, n | 0.08 | 0.07 |
| Height, cm | 0.04 | 0.29 |
| Prepregnancy weight, kg | 0.04 | 0.13 |
| Prepregnancy BMI, kg/m2 | 0.05 | 0.20 |
| Weight gain, kg | 0.01 | 0.73 |
| Serum markers | 0.02 | 0.79 |
| Maternal | ||
| Insulin, pmol/L | 0.01 | 0.70 |
| IGF-1, ng/L | 0.01 | 0.70 |
| IGFBP-3, ng/L | 0.01 | 0.54 |
| IGF-1/IGFBP-3 | 0.01 | 0.46 |
| Leptin, ng/L | 0.01 | 0.62 |
| Umbilical cord | ||
| Insulin, pmol/L | 0.01 | 0.47 |
| IGF-1, ng/L | 0.06 | 0.31 |
| IGFBP-3, ng/L | 0.04 | 0.24 |
| IGF-1/IGFBP-3 | 0.01 | 0.62 |
| Leptin, ng/L | 0.03 | 0.27 |
1
Data are the R2 and P-values from Pearson correlation, n = 47.
2
No significant relationships were found between newborn %BF and maternal characteristics or maternal or umbilical cord serum measures of endocrine activity.