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Rapid Increases in Overweight and Obesity Among South African Adolescents: Comparison of Data From the South African National Youth Risk Behaviour Survey in 2002 and 2008

机译:南非青少年中超重和肥胖的迅速增加:2002年和2008年南非国家青少年风险行为调查数据的比较

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摘要

Objectives. To aid future policy and intervention initiatives, we studied the prevalence and correlates of overweight and obesity among participants in the South African National Youth Risk Behaviour Survey in 2002 and 2008.Methods. The survey collected data from nationally representative cross-sectional samples of students in grades 8 through 11 (n = 9491 in 2002 and 9442 in 2008) by questionnaire and measurement of height and weight. We stratified data on overweight and obesity rates by age, socioeconomic status, and race/ethnicity.Results. Among male adolescents, overweight rates increased from 6.3% in 2002 to 11.0% in 2008 (P < .01); among female adolescents, overweight rates increased from 24.3% in 2002 to 29.0% in 2008 (P < .01). Obesity rates more than doubled among male adolescents from 1.6% in 2002 to 3.3% in 2008 (P < .01) and rose from 5.0% to 7.5% among female adolescents (P < .01). We observed a dose–response relationship in overweight and obesity rates across socioeconomic categories. Rates of overweight and obesity were significantly higher among urban youths than among rural youths (P < .01).Conclusions. South Africa is experiencing a chronic disease risk transition. Further research is needed to better understand and effectively address this rapid change.
机译:目标。为了帮助将来的政策和干预措施,我们研究了2002年和2008年南非国家青少年风险行为调查参与者中超重和肥胖的患病率及其相关性。该调查通过问卷调查和身高和体重的测量,收集了8至11年级学生的全国代表性横截面样本的数据(n = 2002年的9491和2008年的9442)。我们按年龄,社会经济地位和种族/种族对超重和肥胖率进行分层数据。在男性青少年中,超重率从2002年的6.3%增加到2008年的11.0%(P <.01);在女性青少年中,超重率从2002年的24.3%增加到2008年的29.0%(P <.01)。男性青少年的肥胖率从2002年的1.6%增长到2008年的3.3%(P <.01),翻了一番还多,女性青少年的肥胖率从5.0%上升到7.5%(P <.01)。我们观察到了社会经济类别中超重和肥胖率的剂量-反应关系。城市青年中的超重和肥胖发生率明显高于农村青年(P <.01)。南非正在经历慢性疾病风险的转变。需要进一步研究以更好地理解和有效应对这种快速变化。

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