Table 3.
Bivariate correlations between focal predictors shown separately for Black and White women, above and below the diagonal, respectively.
| Pre-pregnancy BMI | Maternal age | Maternal education | PGH a | IL-1Ra a | IL-8 a | IL-6 a | CRP a | Infant’s sex (F/M) | BWz | |
|---|---|---|---|---|---|---|---|---|---|---|
| Pre-pregnancy BMI | 0.13 | -0.12 | -0.44** | 0.68*** | -0.27 | 0.47** | 0.34* | -0.37* | 0.01 | |
| Maternal age | 0.10 | 0.40* | -0.09 | 0.13 | 0.22 | 0.12 | 0.19 | -0.16 | -0.13 | |
| Maternal education | -0.06 | 0.33** | 0.07 | -0.17 | -0.09 | 0.19 | 0.21 | -0.17 | -0.14 | |
| PGH a | -0.11 | 0.02 | -0.03 | -0.33* | 0.38* | -0.18 | -0.34* | 0.16 | 0.03 | |
| IL-1Ra a | 0.32** | -0.06 | -0.08 | -0.17 | 0.00 | 0.51*** | 0.33* | -0.28 | 0.21 | |
| IL-8 a | 0.13 | 0.04 | 0.02 | 0.04 | 0.33** | 0.13 | -0.16 | -0.13 | -0.18 | |
| IL-6 a | 0.18 | -0.13 | -0.11 | -0.04 | 0.25* | 0.14 | 0.28+ | -0.22 | -0.16 | |
| CRP a | 0.22+ | -0.02 | 0.11 | -0.06 | 0.21+ | -0.09 | 0.40*** | -0.07 | -0.27 | |
| Infant’s sex (F/M) | -0.04 | 0.09 | 0.05 | 0.03 | -0.05 | 0.09 | 0.11 | 0.03 | 0.04 | |
| BWz | 0.19 | -0.08 | -0.32** | 0.13 | -0.10 | -0.11 | 0.04 | -0.06 | -0.11 |
Correlations above the diagonal are within women who self-identified as Black; correlations below the diagonal are within women who self-identified as White.
a
PGH, IL-1Ra, IL-8, IL-8, and CRP were natural log transformed.
+p<.10 *p<.05 **p<.01 ***p<.001.