“…In the remaining 23 studies, participants were not formally diagnosed with a mental health condition but were screened for symptoms indicative of mental disorders. Of these studies, 12 reported a positive association between engagement and the primary mental health outcome (33,36,40,41,43,47,49,50,52,57,63,65) while the other 11 did not find a significant association (37, 38, 42, 44-46, 48, 58, 59, 62, 64).…”