Table 1.

BioBehavioral Assessment (BBA) measures and other variables considered as predictors of hair cortisol.

Predictor name	Description
Afternoon Response	BBA blood cortisol value for afternoon response (7 hr into testing)
DST	BBA blood cortisol value for dexamethasone suppression test
Day 1 Activity	BBA activity z-score for day 1 of testing
Day 2 Activity	BBA activity z-score for day 2 of testing
Day 1 Emotionality	BBA emotionality z-score for day 1 of testing
Day 2 Emotionality	BBA emotionality z-score for day 2 of testing
Nervous	BBA z-score for nervous temperament
Preference for Novelty	BBA score for proportion of time looking at novel image across all preferential look test trials
Age	individual’s age in days when hair sample was collected
Sex	individual’s sex (0 = male, 1 = female)