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. 2019 Nov 28;21(11):e14728. doi: 10.2196/14728

Table 4.

Repeated measures analysis of variance on Patient Health Questionnaire-9 item and Generalized Anxiety Disorder Scale-7 item scores at sign-up and at 28 days compared across clusters.

Mental health variables. F test (df) P value
PHQ-9a

Time 66.99 (1,858) <.001

Time × clusters 0.67 (2,858) .51
GAD-7b

Time 42.99 (1,858) <.001

Time × clusters 0.83 (2,858) .44

aPHQ-9: Patient Health Questionnaire-9 item.

bGAD-7: Generalized Anxiety Disorder Scale-7 item, N=861.