Table 2.

Summary metrics for studies on smartphone apps for people with first-episode psychosis or at clinical high risk.

Metric	Value	Studies
Studies in the United States, n (%)	6 (29)	21 studies [15-20,22-36]
Participants enrolled in completed studies, mean	29.8	12 studies [16,17,25-30,33-36]
Participants planned to be enrolled, mean	84.1	12 studies [16,17,25-30,33-36]
Participants dropped out from completed studies, mean	3.4	12 studies [16,17,25-30,33-36]
Age in completed studies (years), mean	21.5	11 studies [16,17,25-28,30,33-36]
Completed studies with male as the majority gender, n (%)	7 (70)	10 studies [16,17,26-28,30,33-36]
Duration of completed studies (months), mean	2.9	12 studies [16,17,25-30,33-36]
Duration of planned studies (months), mean	5.7	7 studies [15,19,20,22-18]