Safety Check
depressive, Suicidal ideation, depressive symptoms
At any stage in the intervention, if we detected severe depressive symptoms or suicidal ideation, we blocked access to TreadWill. Severe depressive symptoms were determined as a total score of >19 on the PHQ-9. Suicidal ideation was detected by a score of >0 on the ninth question of the PHQ-9 and a total score of >4 on the Suicidal Intent Questionnaire [