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Table 2 Summary of separate regression models: cortisol area under the curve (AUC, log nmol/L) on body size at birth (birth weight, birth length, ponderal index); b = anti-logged unstandardized regression coefficient, β = standardized regression coefficients

From: Is body size at birth related to circadian salivary cortisol levels in adulthood? Results from a longitudinal cohort study

Sample Criterion: Cortisol AUC
   Predictor      
  Model estimates Predictor estimates
  N R2 b β p
Total sample      
Birth weight (kg) 685 .017 1.13 .13 < .001
Birth length (cm) 683 .005 1.02 .07 .065
Ponderal index (kg/m3) 683 .009 1.02 .10 .012
Women      
Birth weight (kg) 340 .006 1.08 .08 .147
Birth length (cm) 338 .000 1.00 .02 .763
Ponderal index (kg/m3) 338 .008 1.02 .09 .106
Men      
Birth weight (kg) 345 .015 1.12 .12 .022
Birth length (cm) 345 .006 1.02 .08 .143
Ponderal index (kg/m3) 345 .005 1.01 .07 .181