44 个中低收入国家 12-15 岁青少年中 133555 名青少年的休闲时间久坐行为与快餐和碳酸软饮料消费的关系。
Association of leisure-time sedentary behavior with fast food and carbonated soft drink consumption among 133,555 adolescents aged 12-15 years in 44 low- and middle-income countries.
机构信息
Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King's College London, De Crespigny Park, Box, London, SE5 8AF, UK.
Department of Exercise Sciences, University of Toronto, 55 Harbord Street, Toronto, Ontario, M5S 2W6, Canada.
出版信息
Int J Behav Nutr Phys Act. 2019 Apr 23;16(1):35. doi: 10.1186/s12966-019-0796-3.
BACKGROUND
Rates of sedentary behavior (SB), fast food and carbonated soft drink consumption are increasing worldwide, with steeper increases being observed in low- and middle-income countries (LMICs) in recent years. Given that these behaviors have been linked to adverse health outcomes among adolescents, this presents a new but rapidly growing challenge to human health in these under-resourced nations. However, very little is known about the associations between SB and fast food or soft drink consumption among adolescents in LMICs.
METHODS
Thus, data from the Global school-based Student Health Survey (GSHS) were cross-sectionally analyzed in 133,555 adolescents aged 12-15 years from 44 LMICs [mean (SD) age 13.8 (1.0) years; 49% females]. The data were collected in the form of self-report questionnaires. Associations were assessed with multivariable logistic regression analysis and meta-analysis.
RESULTS
The overall prevalence of fast food consumption (at least once in previous 7 days) and carbonated soft drink consumption (at least once per day during past 30 days) were 49.3 and 43.8%, respectively. The overall pooled estimates based on a meta-analysis with random effects for the association of ≥3 h/day of SB with fast food consumption and soft drink consumption using country-wise estimates were OR = 1.35 (95% CI = 1.27-1.43, I = 62.1%).) and OR = 1.26 (95% CI = 1.19-1.34; I = 54.3%), respectively. Spending > 8 h/day of SB compared to < 1 h/day in females was associated with significantly higher odds for fast food (OR = 1.61, 95% CI = 1.38-1.88) and soft drink consumption (OR = 1.91, 95% CI = 1.60-2.28).
CONCLUSIONS
Future interventions to address unhealthy behaviors in adolescents should take into account the interrelated nature of SB and unhealthy dietary habits, and seek to further understand the mechanisms linking these behaviors in the LMIC context.
背景
久坐行为（SB）、快餐和碳酸软饮料的消费率在全球范围内呈上升趋势，近年来中低收入国家（LMICs）的增长更为陡峭。鉴于这些行为与青少年的不良健康结果有关，这对这些资源匮乏国家的人类健康构成了新的但迅速增长的挑战。然而，对于 LMIC 中青少年的 SB 与快餐或软饮料消费之间的关联知之甚少。
方法
因此，对来自 44 个 LMIC 中 133555 名 12-15 岁青少年（平均年龄（标准差）为 13.8（1.0）岁；49%为女性）的全球基于学校的学生健康调查（GSHS）数据进行了横断面分析。数据以自我报告问卷的形式收集。使用多变量逻辑回归分析和荟萃分析评估关联。
结果
快餐消费（过去 7 天至少一次）和碳酸软饮料消费（过去 30 天内每天至少一次）的总体流行率分别为 49.3%和 43.8%。基于荟萃分析的总体综合估计，使用基于国家的估计，对于 SB 每天≥3 小时与快餐消费和软饮料消费的关联为 OR=1.35（95%CI=1.27-1.43，I=62.1%）和 OR=1.26（95%CI=1.19-1.34；I=54.3%）。与每天 SB 时间<1 小时相比，女性每天 SB 时间>8 小时与快餐消费（OR=1.61，95%CI=1.38-1.88）和软饮料消费（OR=1.91，95%CI=1.60-2.28）的几率显著更高。
结论
未来针对青少年不健康行为的干预措施应考虑到 SB 和不健康饮食习惯的相互关系，并寻求进一步了解这些行为在 LMIC 背景下的关联机制。
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