Table 5.
Summary of the hierarchical regression models using maternal and neonatal hair cortisol levels as predictors of infant neurodevelopment at six months of age.
| BSID Scales | ||||||
|---|---|---|---|---|---|---|
| Cognitive | Receptive Language | Expressive Language | Fine Motor | Gross Motor | ||
| Maternal hair cortisol levels | T1 | Not significant | Not significant | Not significant | Not significant | ↓ |
| T2 | Not significant | Not significant | Not significant | Not significant | ↓ | |
| T3 | Not significant | Not significant | Not significant | Not significant | Not significant | |
| T4 | ↑ | Not significant | Not significant | Not significant | ↑ | |
| Neonatal hair cortisol levels | Not significant | Not significant | Not significant | Not significant | ↑ | |
Note: T1 = first trimester; T2 = second trimester; T3 = third trimester; T4 = postpartum. ↑: Positive association based on the β coefficient from the hierarchical regression model adjusted for covariates (maternal level of education, salary, and infant birth weight). ↓: Negative association based on the β coefficient from the hierarchical regression model adjusted for covariates (maternal level of education, salary, and infant birth weight).