BMC Public Health最新文献

Background: Short video platforms are increasingly used for health information in China, yet the quality of user generated content on altitude sickness remains unexamined. This study evaluated the quality, reliability, and content characteristics of altitude sickness videos on Douyin and Bilibili.

Methods: A cross-sectional design was adopted. The Chinese search term "Altitude Sickness" was used to search on the Chinese short video platforms Douyin and Bilibili. The top 100 videos recommended by each platform were collected. Data on video publication, content, and characteristics were extracted. The Journal of the American Medical Association benchmark criteria (JAMA), modified DISCERN (mDISCERN), and Global Quality Score (GQS) tools were used to assess video reliability and quality. Statistical analysis involved descriptive and comparative methods to evaluate video characteristics and quality, as well as correlation analysis to examine their relationships. Analyses were conducted using SPSS 26.0, statistical significance was set at P < 0.05.

Results: A total of 161 videos (85 from Douyin, 76 from Bilibili) were ultimately included. The overall mean scores for the videos were 2.85 ± 0.75 for JAMA, 2.20 ± 0.79 for mDISCERN, and 2.57 ± 0.88 for GQS. The GQS score of videos from Bilibili was significantly higher than that from Douyin (P < 0.05). Videos published by professional institutions/individuals accounted for only 22.36%, but their content quality was significantly superior to that from non-professional institutions/individuals (P < 0.05). Correlation analysis showed that user interaction data (likes, comments) was negatively correlated with quality scores.

Conclusion: The overall quality of altitude sickness videos on major Chinese short video platforms is suboptimal. Content from professional sources is significantly more reliable but remains a minority. Platform interaction metrics (such as likes and comments) do not constitute a reliable proxy for judging the scientific soundness of the content. The public should prioritize professionally sourced information, and platforms should enhance the visibility of evidence-based content.

Background: Childhood obesity is a rising worldwide health issue with significant physical, psychological, and social implications. Beyond physical health, obesity has profound psychological effects, particularly on body image perception and self-esteem, which can be exacerbated by bullying and social stigmatization.

Aim: To assess body image perception among bullied obese children in Egypt and to examine the relationship between obesity, bullying experiences, and body image dissatisfaction.

Methods: This case-control study was conducted on 86 Egyptian children aged 5 to 10 years who attended the outpatient nutrition and immunity clinic at the Medical Research Centre of Excellence (MRCE). A comprehensive, structured questionnaire and clinical examination were used and analyzed to assess participants.

Results: The study included 86 children; 40 males and 46 females. Out of 86 children, 44 children were obese with mean of age (8.16 ± 1.78 y) and 42 were healthy children as controls with mean of age (7.69 ± 1.8. 55 y). A total of 27 children (34.6%) in the study population displayed acanthosis nigricans. Students in the obesity group reported higher rates of school bullying (36.4%) as compared to controls (11.9%). The family bullying was significantly higher in the obesity group at 40.9% compared to the control group at 7.1% (p = 0.001). A significant difference (p = 0.000) in sadness feeling was reported in obese children (56.8%) as compared with controls (11.9%). Children with family refusal showed statistically significant higher occurrences of expressing low self-esteem by refusing to be photographed (50%) and showing sadness (75%), especially in females.

Conclusion: This study highlights the obesity and its association with obesity-related health risks and emotional distress. School refusal was strongly linked to bullying and academic pressure. Negative school interactions affected family relationships, while family denial increased bullying and emotional distress. Females showed greater vulnerability to sadness than males.