ArticleBMC public health2025
A study on physical activity and sedentary behavior patterns among Tibetan and Han adolescents in Xizang.
Article in BMC public health, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundThe global decline in adolescent physical activity (PA) levels has become a major public health concern, contributing to an increased risk of non-communicable diseases and impaired psychosocial development. Emerging evidence indicates significant ethnic disparities in PA patterns and sedentary behavior (SB) profiles among adolescents. Within the unique geographical and cultural context of the Tibetan Plateau, understanding behavioral differences between Tibetan and Han Chinese adolescents is crucial for designing effective, targeted health interventions. Therefore, this study aimed to examine ethnic-specific differences in PA levels and SB patterns among Tibetan and Han Chinese adolescents residing in Xizang.
methodsA total of 1,256 Tibetan and Han Chinese adolescents participated in this study. PA and SB were objectively measured using accelerometers. Data collection was segmented into four distinct periods: weekdays versus weekends, and in-school versus out-of-school time on weekdays. Ethnic differences in activity patterns were analyzed using one-way analysis of covariance, adjusting for age, body mass index (BMI), socioeconomic status (SES), and accelerometer wear time.
resultsOn weekdays, Tibetan boys engaged in significantly more moderate-to-vigorous physical activity (MVPA) (44.1 ± 16.3 min/day) than Han Chinese boys (35.3 ± 10.9 min/day; p = 0.011, η
conclusionThis comparative analysis revealed clear ethnic differences in activity patterns. Tibetan adolescents exhibited higher overall PA levels and total sedentary time compared to Han Chinese adolescents. However, Tibetan adolescents tended to interrupt sedentary periods more frequently, whereas Han Chinese adolescents were more likely to engage in prolonged, uninterrupted SB.
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