作者: Ronald C. Plotnikoff , Nandini Karunamuni , John C. Spence , Kate Storey , Laura Forbes
DOI: 10.1016/J.JADOHEALTH.2008.11.004
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摘要: This study examined the prevalence, clustering, age trends, and gender differences of chronic-disease related risk factors among a large sample adolescents (N = 4932) in Alberta, Canada. Approximately 43% boys 53% girls displayed two or more factors. Age trends were also observed.