ArticleJMIR formative research2025
Quality and Reliability of Adolescent Sexuality Education on Chinese Video Platforms: Sentiment-Topic Analysis and Cross-Sectional Study.
Article in JMIR formative research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Recurrent rectal foreign-body insertion in a child with caregiver-reported problematic short-form video use: A hypothesis-generating case report.BMC psychology · 2026Article
- Videos on Bilibili, TikTok, and Xiaohongshu as Sources of Medical Information on Adenoid Hypertrophy: Cross-Sectional Content Analysis.JMIR formative research · 2026Article
- Alcohol-related health information on Chinese short-video platforms: a cross-sectional content analysis of Douyin and Bilibili.Scientific reports · 2026Article
- Evaluating the information quality and reliability of ovarian cancer educational content on TikTok and Bilibili: a cross-sectional study.Scientific reports · 2026Article
- Information quality of videos related to adolescent depression on social media platforms: a comparative study of TikTok and BiliBili.Frontiers in public health · 2025Article
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Authors and funding
5 authors.
Funding
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Abstract
backgroundAdolescence is a critical period for lifelong health, which makes access to accurate and comprehensive sexuality education essential. As video platforms become a primary source of information for adolescents, the quality of their content significantly impacts their physical and mental health.
objectiveThis study aimed to evaluate the quality, reliability, understandability, and actionability of adolescent sexuality education videos on major Chinese platforms (Bilibili, TikTok or Douyin, and Kwai), analyze associated user comment sentiment and topics, identify predictors of quality and reliability, and provide recommendations.
methodsA cross-sectional analysis was conducted (April 2025) on the top 100 comprehensively ranked comprehensive sexuality education videos (N=300 total) retrieved from each platform using the keyword ("adolescent sexuality education"). Videos were assessed using the Global Quality Score, modified DISCERN, and Patient Education Materials Assessment Tool (PEMAT-U/A), with interrater reliability assessed via Cohen κ. A corpus of over 49,000 user comments underwent sentiment analysis (fine-tuned RoBERTa) and topic modeling (BERTopic, yielding 29 topics grouped into 6 themes). Statistical analyses included Kruskal-Wallis H tests, Spearman correlations, and stepwise linear regressions (SPSS [version 27.0]; P<.05).
resultsVideo quality and reliability were moderate on Bilibili and TikTok but generally poor on Kwai. Content from verified sources (physicians, educators, and institutional media) demonstrated superior quality and stability compared to highly variable content from individual media (the predominant source type, especially on Kwai; 87/100, 87%). Paradoxically, Kwai exhibited the highest user engagement despite the lowest quality scores. Understandability (PEMAT-U) was consistently the strongest positive predictor for both quality (Global Quality Score, final model adjusted R
conclusionsWhile online video platforms offer accessible channels for adolescent sexuality education in China, the current content is often of moderate-to-poor quality, with questionable reliability and limited actionability. Understandability is paramount, but high engagement does not necessarily correlate with high quality or reliability, potentially amplifying misinformation. To effectively empower youth, critical steps include enhancing content quality by adhering to evidence-based frameworks like the International Technical Guidance on Sexuality Education; strengthening platform accountability through improved verification and algorithms; and promoting user media literacy. These measures aim to foster a healthier and more equitable future for Chinese adolescents, helping to achieve goals related to sexually transmitted infections and pregnancy prevention and promoting more open societal attitudes toward sexuality.
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