Study design and participants
suicide ideations, psychotic disorder, anxiety, depression, Depression
RECRUITMENT, RECRUITMENT
Recruitment was online, with recruitment posters being released through multiple social media platforms such as WeChat, QQ, Dou ban, and Sina Weibo, which are popular in China. By scanning the quick response (QR) code on the advertisement poster, participants who were willing to join the study answered the screening questionnaire and provided their contact numbers. Participants aged between 18 and 29 years old who self-identified as a member of the LGBTQ+ community were eligible to participate if they were living in China, had stable internet connections, scored moderate or above on at least 1 dimension (cut-off values were 14 points for depression, 10 points for anxiety, and 19 points for stress) of the Depression Anxiety Stress Scale 21 [Participants were excluded if they met one or more of the following criteria: had a history of being diagnosed with psychotic disorder, such as schizophrenia; have had suicidal attempt(s) in the last 6 months; currently have severe suicide ideations; could not complete all assessments and intervention procedures in a quiet, undisturbed space; or had help-seeking experience(s) from MHPs in the past 12 months. Participants have a one-to-one telephone conversation with a researcher to confirm whether they meet the inclusion and exclusion criteria.Participants who met the study criteria went through the one-to-one consent-informing phase with one of the researchers via phone again. The electronic consent was sent to participants, and pictures of the handwritten signed consent or e-signature consent were returned to the researchers. Participants were recruited in 2 time periods: 80 participants were enrolled in December 2021, and 64 participants were enrolled in January 2022. All enrolled participants provided informed consent in written format. Participants have the right to withdraw their informed consent without reason at any time during the intervention and follow-up period, and their data will not be used in the analysis.