Table 2.
Spearman correlation coefficients* (P value) between maternal and birth characteristics and sex steroid hormone and growth factor concentrations in venous umbilical cord blood, females, HUB Study 2004 to 2005
| Birth weight | Placental weight | Parity | Mother's age | |
|---|---|---|---|---|
| Testosterone | 0.12 (0.22) | 0.08 (0.41) | −0.28 (0.003) | 0.04 (0.69) |
| DHEAS | 0.002 (0.98) | −0.05 (0.58) | −0.07 (0.45) | 0.01 (0.90 |
| Estradiol | 0.05 (0.60) | −0.04 (0.65) | −0.29 (0.002) | −0.12 (0.22) |
| SHBG | −0.11 (0.27) | −0.07 (0.47) | −0.03 (0.80) | −0.01 (0.96) |
| IGF-1 | 0.34 (0.0003) | 0.14 (0.14) | 0.09 (0.34) | 0.13 (0.16) |
| IGF-2 | 0.07 (0.45) | 0.08 (0.42) | 0.09 (0.34) | 0.08 (0.40 |
| IGFBP-3 | 0.29 (0.002) | 0.2 (0.03) | −0.03 (0.79) | 0.14 (0.14) |
| Molar ratios of | ||||
| Testosterone/SHBG (×103) | 0.1 (0.28) | 0.05 (0.64) | −0.13 (0.19) | −0.009 (92) |
| Estradiol/SHBG | 0.02 (0.84) | −0.03 (0.72) | −0.18 (0.06) | −0.1 (0.28) |
| IGF-1/IGFBP-3 | 0.31 (0.001) | 0.1 (0.29) | 0.13 (0.19) | 0.08 (0.38) |
| IGF-2/IGFBP-3 | −0.26 (0.005) | −0.16 (0.1) | 0.07 (0.47) | −0.11 (0.24) |
| (IGF-1+IGF-2)/IGFBP-3 | −0.12 (0.21) | −0.11 (0.25) | 0.14 (0.14) | −0.05 (0.63) |
*
Adjustd for race