The quality and reliability of short videos about passive smoking on Bilibili and TikTok: A cross-sectional study.

IF 2.4 4区医学 Q2 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH

Tobacco Induced Diseases Pub Date : 2026-08-05 eCollection Date: 2026-01-01 DOI:10.18332/tid/225461

Weichu Zhang, Danting Zheng, Jun Zhang

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引用次数: 0

Abstract

Introduction: Passive smoking is associated with substantial morbidity and mortality, yet public awareness of its health risks remains limited. As social media increasingly serves as a source of health information, this study evaluated the quality and reliability of passive smoking-related short videos on two major Chinese platforms, Bilibili and Douyin (TikTok in China).

Methods: In this cross-sectional study, the top 100 videos for each Chinese search term ('passive smoking' and 'secondhand smoking') were retrieved from Bilibili and Douyin on 10 June 2026. After excluding duplicates, irrelevant videos, promotional videos, and videos shorter than 30 seconds, eligible videos were analyzed for basic characteristics and engagement metrics. Two independent reviewers assessed video quality using the Global Quality Scale (GQS), modified DISCERN (mDISCERN), Journal of the American Medical Association (JAMA) benchmark criteria, and Video Information and Quality Index (VIQI). Comparisons were performed using non-parametric tests, and correlations were examined using Spearman analyses.

Results: A total of 157 videos were included (59 Bilibili, 98 Douyin). Bilibili videos were significantly longer than Douyin videos (median: 130.0 vs 73.0 s, Z= -3.93, p<0.001), whereas Douyin videos received more comments (median: 89.0 vs 27.0, Z= -2.48, p<0.05) and shares (median: 1829.5 vs 72.0, Z= -4.88, p<0.001). Overall, video quality and reliability were moderate. No significant differences were observed between platforms in GQS, mDISCERN, or JAMA. However, Douyin videos achieved significantly higher VIQI scores than Bilibili videos (median: 12.0 vs 11.0, Z= -3.37, p<0.001). Videos produced by science communicators and doctors consistently demonstrated higher quality than those uploaded by lay users. Engagement metrics were not associated with video quality or reliability.

Conclusions: Passive smoking-related videos on Douyin and Bilibili provide moderate-quality health information. Videos from science communicators and doctors were of higher quality than those from lay users. Video popularity does not reflect information reliability.

查看原文本刊更多论文

Bilibili和TikTok上被动吸烟短视频的质量和可靠性：一项横断面研究。

被动吸烟与大量发病率和死亡率有关，但公众对其健康风险的认识仍然有限。随着社交媒体越来越多地成为健康信息的来源，本研究评估了中国两大平台哔哩哔哩和抖音（中国的TikTok）上与被动吸烟相关的短视频的质量和可靠性。方法：在这项横断面研究中，从Bilibili和抖音上检索2026年6月10日每个中文搜索词（“被动吸烟”和“二手吸烟”）的前100个视频。在排除重复视频、不相关视频、宣传视频和短于30秒的视频后，分析符合条件的视频的基本特征和参与度指标。两名独立审稿人使用全球质量量表（GQS）、修改后的DISCERN （mDISCERN）、美国医学协会杂志（JAMA）基准标准和视频信息和质量指数（VIQI）评估视频质量。采用非参数检验进行比较，并采用Spearman分析检验相关性。结果：共纳入157个视频（Bilibili 59个，抖音98个）。Bilibili视频明显长于抖音视频（中位数：130.0 vs 73.0 s， Z= -3.93）。结论：抖音和Bilibili上被动吸烟相关视频提供的健康信息质量中等。来自科学传播者和医生的视频比来自非专业用户的视频质量更高。视频的受欢迎程度并不能反映信息的可靠性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Tobacco Induced Diseases SUBSTANCE ABUSE-PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH

CiteScore

5.30

自引率

5.40%

发文量

审稿时长

12 weeks

期刊介绍： Tobacco Induced Diseases encompasses all aspects of research related to the prevention and control of tobacco use at a global level. Preventing diseases attributable to tobacco is only one aspect of the journal, whose overall scope is to provide a forum for the publication of research articles that can contribute to reducing the burden of tobacco induced diseases globally. To address this epidemic we believe that there must be an avenue for the publication of research/policy activities on tobacco control initiatives that may be very important at a regional and national level. This approach provides a very important "hands on" service to the tobacco control community at a global scale - as common problems have common solutions. Hence, we see ourselves as "connectors" within this global community. The journal hence encourages the submission of articles from all medical, biological and psychosocial disciplines, ranging from medical and dental clinicians, through health professionals to basic biomedical and clinical scientists.