Use of Social Media Campaigns against Substance Abuse among Chemistry Undergraduate Students of the University of Lagos A Practical Playbook for Blue Teams in Resource-Constrained Environments
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Abstract
This study examines the effectiveness of social media campaigns against substance abuse among Chemistry undergraduate students at the University of Lagos (UNILAG). Substance abuse remains a significant threat to the academic performance, mental health, and long-term social outcomes of Nigerian undergraduates, and social media has emerged simultaneously as a risk chasnnel and a prevention tool. Guided by four objectives, the study adopted a descriptive survey design with a quantitative approach. The population comprised undergraduate students of the Department of Chemistry, UNILAG (2024/2025 session, estimated at 600 students). The Taro Yamane (1967) formula was used to determine a sample size of 240, and a stratified proportionate random sampling technique was applied across the four academic levels. A structured questionnaire measuring exposure, awareness, attitudes, perceived campaign effectiveness, and limiting factors was administered; 200 of 242 distributed copies were retrieved and analysed (response rate = 82.6%) using SPSS descriptive statistics. The theoretical framework integrated the Health Belief Model (HBM), Social Learning Theory (SLT), and the Uses and Gratifications Theory (UGT). Findings revealed high exposure to anti-drug campaigns (̄x = 3.74) and strong awareness of substance abuse risks (̄x = 3.96) among respondents. Campaign exposure positively shaped attitudes toward drug-free living (̄x = 3.83) and was perceived as generally effective (̄x = 3.77), yet active engagement with campaign content remained comparatively lower than passive exposure. Peer influence, exposure to pro-drug content, and insufficiently engaging campaign formats emerged as the leading barriers to effectiveness. The study concludes that social media is a high-visibility, high-awareness channel for anti-drug communication among science undergraduates, but translating exposure into sustained behavioural change requires more interactive, peer-led, and platform-optimised strategies. Recommendations include integrating digital literacy into curricula, empowering peer leaders, and deploying targeted, gender-responsive content on Instagram, TikTok, and WhatsApp, alongside longitudinal and experimental research to evaluate long-term impact.
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