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首页> 外文期刊>Preventive Medicine: An International Journal Devoted to Practice and Theory >Randomized controlled trial of the Physical Activity Leaders (PALs) program for adolescent boys from disadvantaged secondary schools.
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Randomized controlled trial of the Physical Activity Leaders (PALs) program for adolescent boys from disadvantaged secondary schools.

机译：体力活动负责人（PAL）计划针对弱势中学的青春期男孩的随机对照试验。

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OBJECTIVE: The aim of this study was to evaluate the efficacy and feasibility of the Physical Activity Leaders (PALs) program. PALs is an obesity prevention program for low-active adolescent boys from disadvantaged schools. METHODS: The study was conducted in the Hunter Region, New South Wales (NSW), Australia from June to December 2009. Four disadvantaged secondary schools were randomized to treatment conditions for the 6-month study period. Participants were 100 adolescent boys [mean (SD) age=14.3(0.6) years; BMI=22.1 kg/m(-2) (4.6); BMI z-score=0.6 (1.2)]. The primary outcome was change in BMI and secondary outcomes were body fat (bioelectrical impedance analysis), waist circumference, muscular fitness (leg dynamometer, 90 masculine push-up test and 7-stage sit-up test), physical activity (5-days of pedometry) and selected dietary behaviors. RESULTS: Significant group-by-time interaction effects were found for BMI (mean difference=-0.8 kg/m(-2), p<0.001, d =0.7), BMI z-score (mean difference=-0.2, p<0.001, d=0.7), and body fat (mean difference=-1.8%, p<0.05, d=0.5), but not for waist circumference, muscular fitness or physical activity. Participants in the intervention group reduced their consumption of sugar-containing beverages. CONCLUSIONS: The PALs program was a feasible and efficacious approach to induce healthy weight loss in adolescent boys from disadvantaged secondary schools.
机译：目的：本研究的目的是评估体育锻炼领导者（PAL）计划的有效性和可行性。 PAL是针对来自弱势学校的低活跃青少年男孩的肥胖预防计划。方法：这项研究于2009年6月至12月在澳大利亚新南威尔士州（NSW）的亨特地区进行。在这6个月的研究期内，四所弱势中学被随机分配到治疗条件。参加者为100个青春期男孩[平均（SD）年龄= 14.3（0.6）岁;体重指数= 22.1 kg / m（-2）（4.6）; BMI z分数= 0.6（1.2）]。主要结果是BMI的变化，次要结果是体脂（生物电阻抗分析），腰围，肌肉健康（腿部测力计，90个男性俯卧撑测试和7阶段仰卧起坐测试），身体活动（5天）计步器和选择的饮食习惯。结果：BMI（均值= -0.8 kg / m（-2），p <0.001，d = 0.7），BMI z-score（均值= -0.2，p < 0.001，d = 0.7）和身体脂肪（平均差异= -1.8％，p <0.05，d = 0.5），但不适用于腰围，肌肉健康或身体活动。干预组的参与者减少了含糖饮料的消费。结论：PALs计划是一种可行的，有效的方法，可以使弱势中学的青春期男孩健康地减肥。

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