Evaluating youth engagement on the CHAT social media mental health campaign

Abstract

Background: the use of social media to promote mental health in public health campaigns is increasing, especially among young people. however, few evaluations investigating audience engagement with these campaigns have been conducted. Objectives: this study aimed to evaluate audience engagement with community health assessment team's (chat's) social media campaign (lasting from 1-april-2022 to 30-september-2022) for young people aged 16 to 30 years old on two social media platforms, Facebook and instagram. it also sought to identify factors influencing audience engagement. Methods: an interrupted time-series design was used to evaluate the effectiveness of the campaign on audience engagement. the study was conducted from 1-October-2021 to 31-December-2022 (6-months before campaign, 6-months during campaign and 3-months after campaign). Post-level and page-level data were drawn from Meta insights. For post-level results, Wilcoxon rank sum test was conducted to compare campaign and post-campaign engagement metrics with pre-campaign. segmented linear regression analysis was used to assess campaign effect on daily reach while multiple linear regression was used to determine independent predictors of daily reach. Results: level of daily reach on Facebook increased significantly by 5-fold from 21.93 to 128.59 (P