Table 5. Regression analysis of postpartum inflammatory markers.
| Outcome/predictors and covariates | Rho | Predictor p | Model F | Model p | Adjusted R2 |
|---|---|---|---|---|---|
| IL-6 | |||||
| EPDS | 0.06 | NS | 0.83 | NS | 0.00 |
| Sampling time | -0.19 | NS | |||
| Postpartum week | 0.17 | NS | |||
| Pre-pregnancy BMI | -0.09 | NS | |||
| IL-10 | |||||
| EPDS | -0.25 | NS | 0.60 | NS | 0.00 |
| Sampling time | -0.07 | NS | |||
| Postpartum week | -0.13 | NS | |||
| Pre-pregnancy BMI | 0.11 | NS | |||
| TNF-α | |||||
| EPDS | 0.07 | - | - | - | - |
| Sampling time | -0.03 | ||||
| Postpartum week | 0.10 | ||||
| Pre-pregnancy BMI | 0.19 | ||||
| CRP | |||||
| EPDS | 0.32 | NS | 4.43 | 0.02 | 0.19 |
| Pre-pregnancy BMI* | 0.44 | 0.009 |
BMI = body mass index; CRP = C-reactive protein; EPDS = Edinburgh Perinatal Depression Scale; IL-6 = interleukin-6; IL-10 = interleukin-10; NS = non-significant; TNF-α = tumor necrosis factor alpha.
TNF-α model failed to meet regression assumptions despite multiple transformations.
*
Significant main effect for predictor/covariate (p < 0.05).