N. Keay

Sex and menstrual cycle differences in the mood-activity association should inform cycle-aware digital phenotyping

Passive physical activity is increasingly used as a digital-phenotyping proxy for mood, assuming a stable relationship across people and time. We tested this assumption using daily mood and activity data from 1,072 individuals (121 women, 951 men; 13,909 person-days) in the Juli app. The within-person activity-mood ass...