Yufan Zhang, Xiangqin Wang, Yang Yang, Yingmei Huang, Xiaomin Li, Shiwen Hu, Kexue Liu, Yan Pang, Tongxu Liu, Fangbai Li
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Environmental pollution (Barking, Essex : 1987)
poor adolescent mental health calls universal prevention mental health foundations peer education project equips older students peer educators teach younger students peer learners mental health peerled lessons cover defining good bad mental health risk protective factors selfcare helpseeking looking one another previous prepost evaluations suggested effectiveness mechanisms intervention improves mental health literacy remain unclear purposively recruited seven secondary schools across england 2020 2022 collected data five observations 12 staff interviews 15 student focus groups totalling 134 students 46 peer educators aged 1418 years 88 peer learners aged 1113 years realist analysis adopted retroductive logic intertwining deductive inductive approaches test initial programme theory insights arising data developed contextmechanismsoutcome configurations related four themes modelling behaviours forming supportive relationships ii relevant appropriate content iii peer educators feeling empowered iv school culture prioritises mental health support refined programme theory highlights key mechanisms contexts conducive achieving outcomes ways improve training recruitment delivery maximise effectiveness similar peerled initiatives