ExpandMost PHQ-9 Responses Are Submitted During the Day, but Those Submitted Overnight Show Higher Depression Severity and Thoughts of Self-Harm Rates
Most Patient Health Questionnaire-9 (PHQ-9) responses, which are primarily patient entered, were submitted during the day; submission volumes peaked mid-morning and were lowest overnight, with only about 2.5% of submissions between 11 p.m. and 5:59 a.m.



















