Table 3 Summary of separate regression models with bedtime cortisol levels (log nmol/L), on body size at birth (birth weight, birth length, ponderal index); b = anti-logged unstandardized regression coefficient, β = standardized regression coefficients
Sample | Criterion: bedtime cortisol levels | ||||
|---|---|---|---|---|---|
   Predictor |  | ||||
| Â | Model estimates | Predictor estimates | |||
|  | N | R2 | b | β | p |
Total sample | Â | Â | Â | Â | Â |
Birth weight (kg) | 692 | .013 | 1.19 | .11 | .003 |
Birth length (cm) | 690 | .001 | 1.01 | .03 | .390 |
Ponderal index (kg/m3) | 690 | .015 | 1.03 | .12 | .001 |
Women | Â | Â | Â | Â | Â |
Birth weight (kg) | 345 | .004 | 1.11 | .06 | .240 |
Birth length (cm) | 343 | .000 | 0.99 | -.02 | .682 |
Ponderal index (kg/m3) | 343 | .012 | 1.03 | .11 | .041 |
Men | Â | Â | Â | Â | Â |
Birth weight (kg) | 347 | .015 | 1.21 | .12 | .021 |
Birth length (cm) | 347 | .003 | 1.02 | .05 | .349 |
Ponderal index (kg/m3) | 347 | .012 | 1.03 | .11 | .041 |