Table 3.

Correlations Between Potential Explanatory Variables and Diurnal Cortisol Slope

	Diurnal Cortisol Slope
Openness (NEO)	0.04
Extroversion (NEO)	−0.12†
Neuroticism (NEO)	0.07
Agreeableness (NEO)	−0.08
Consciousness (NEO)	−0.12†
Total Sleep Time	−0.24***
Sleep Midpoint	0.01
Variability in Total Sleep Time	0.13*
Variability in Sleep Midpoint	0.23***
Sleep Quality (PSQI)	0.11†
Smoking Status	0.09
Alcohol Use	0.03
Physical Activity (METS)	0.05
Negative Affect	0.03
Positive Affect	0.01
Loneliness	0.03
Depression	0.03
Hostility	0.01
Anxiety	0.04
Proportion of Positive Interactions	−0.13*
Proportion of Negative Interactions	0.04
Frequency of Social Interactions	−0.05
Social Interaction Window	−0.02
Social Interaction Midpoint (hours)	−0.05
Variability in Social Interaction Window (hours)	0.05
Variability in Social Interaction Midpoint (hours)	−0.04

Note: Chart depicts partial correlations between cortisol slope and potential covariates and mediators. All correlations control for age, sex, race, and education. All p-values are adjusted for the false discovery rate (5%).

^***depicts p <.001

^**depicts p <. 01

^*depicts p < .05, and

^†depicts p < .10.