Quality and Accessibility of Neonatal Pneumonia-Related Short Videos on Major Social Media Platforms: A Cross-Sectional Content Analysis (Preprint)

BACKGROUND Abstract Objective To evaluate the quality, accuracy, and accessibility of neonatal pneumonia-related health science short videos on TikTok, Bilibili, and Kwai, and to optimize neonatal health communication strategies. Methods A total of 298 eligible videos were collected. Two researchers assessed quality using the Global Quality Score (GQS) and modified DISCERN. Descriptive statistics, Cohen's kappa coefficient, and Kruskal-Wallis H test were used for analysis. Results Inter-rater reliability was good (κ=0.82 and 0.78). Professional medical personnel/institutions uploaded 41.3% of videos, with significantly higher quality scores than non-professionals (P