Participant eligibility criteria
ideation, psychiatric, a mental disorder
RECRUITMENT
Our inclusion criteria included: (1) own a smartphone and be permitted by parents and teachers to use the smartphone; (2) be enrolled in grades 10 and 11 of high school at the time of intervention. The exclusion criteria included: (1) students should not have suicidal ideation; (2) and should not be diagnosed with a mental disorder at the time of recruitment; (3) and not be taking psychiatric medications and (4) they should not be receiving regular mental health counselling services. The eligibility criteria were assessed via self-reported questionnaires.