Table 3.
Linear regression analysis of cortisol levels at age 14. Regression coefficient (and 95% CI) for exposure (yes/no), R2 change due to the exposure to prenatal maternal stress, and significance (F-test, p-value) for models adjusted for timing of the sample, birth weight and clustered data.
| Exposure | B | (95% CI) | R2 change | F | P value |
|---|---|---|---|---|---|
| Any time of pregnancy | 0.05 | (−0.01 – 0.11) | 0.01 | 2.52 | 0.11 |
|
| |||||
| Exposure: | |||||
| 1st trimester onwards | −0.00 | (−0.10 – 0.09) | 0.00 | 0.00 | 0.99 |
|
| |||||
| 2nd trimester onwards | 0.13 | (0.03 – 0.22) | 0.03 | 4.48 | < 0.05 |
|
| |||||
| 3rd trimester | 0.06 | (−0.02 – 0.15) | 0.01 | 1.65 | 0.20 |
B = regression coefficient; 95 % CI: 95% confidence interval