Table 2.

All study measures.

Measurement tools			Measure
Pretest survey
	CDCa Healthy Days [34]	Overall health
	Godin Leisure-Time Exercise Questionnaire [35]	Physical activity level
	Portion of Behavioral Risk Factor Surveillance (BRFSS) [36]	Substance use and abuse
	Social Provisions Scale [37]	Social support
	UCLAb Loneliness Scale [38]	Loneliness
	Patient Health Questionnaire-9 (PHQ-9) [39]	Depressive symptoms
	Adverse Childhood Events Scale (ACES) [40]	Early life stress
	Economic Strain Model [41]	Financial strain
	Neighborhood Disorder Scale [42]	Neighborhood safety
Real time measurements (all time-stamped)c
	STRIVEd app	Per 60 second GPS coordinates (continuous) Self-reported stress level (7-point scale) Self-reported stressor (text-based) Self-reported coping response (text-based) Photo of stressful environment (JPEG)
	Polar Unite Smartwatch	Heart rate (continuous) Activity level (continuous)
End-of-day recall DISEe measurementsc			Self-reported overall stress level (7-point scale) Self-reported stressor type Self-reported stress level by stressor (7-point scale) Self-reported date

^aCDC: Centers for Disease Control and Prevention.

^bUCLA: University of California, Los Angeles.

^cAdditional measurements include demographics and health history.

^dSTRIVE: Stress Reports in Variable Environments.

^eDISE: Daily Inventory of Stressful Events.