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Asthma symptoms in rural living Tanzanian children; prevalence and the relation to aerobic fitness and body fat.

机译：坦桑尼亚农村儿童的哮喘症状;患病率及其与有氧健身和体内脂肪的关系。

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OBJECTIVE: To determine the prevalence of asthma symptoms in children from a rural district in North-Tanzania, and their relationship to aerobic fitness and body fat. METHODS: In Manyara region in Tanzania, children (aged 9-10 years) were randomly selected to participate in the present cross-sectional study. Hundred and seventy two participants completed a video questionnaire showing the symptoms and signs of asthma. Lung function was measured by maximum forced expiratory flow-volume curves. Aerobic fitness was estimated from a standardized indirect maximal cycle ergometer test and sum of three skinfolds reflected body fat. RESULTS: Twenty four per cent reported asthma symptoms last year. Severe wheezing attacks last year were reported in 5% of the participants. Thirty seven per cent of the participants were underweight. Underweight children had significantly lower (P < 0.02) lung function (per cent of predicted). Lower body fat was associated with higher occurrence of asthma symptoms (odds ratio and 95% CI; 0.45 (0.22-0.95; P = 0.04). Aerobic fitness was not associated with asthma symptoms. CONCLUSIONS: More than every fifth 9-10 year old child from a rural district in North-Tanzania reported asthma symptoms. Lower body fat was associated with higher occurrence of asthma symptoms, but aerobic fitness was not associated with asthma symptoms.
机译：目的：确定北坦桑尼亚农村地区儿童哮喘症状的患病率及其与有氧健身和体脂的关系。方法：在坦桑尼亚的曼雅拉地区，随机选择9-10岁的儿童参加本断面研究。一百七十二名参与者完成了一份视频问卷，显示了哮喘的症状和体征。通过最大强制呼气流量曲线测量肺功能。有氧适应性是通过标准的间接最大循环测功计测试和三个皮肤皱褶反映的身体脂肪的总和来估算的。结果：去年有24％的人报告了哮喘症状。去年有5％的参与者报告了严重的喘息发作。百分之三十七的参与者体重不足。体重过轻的儿童的肺功能显着降低（P <0.02）（占预期的百分比）。较低的体脂与哮喘症状的发生率更高（几率和95％CI; 0.45（0.22-0.95; P = 0.04）。有氧健身度与哮喘症状无关。结论：9-10岁的儿童中每五分之一来自北坦桑尼亚的一个农村地区的儿童报告有哮喘症状，较低的脂肪与哮喘症状的发生有关，而有氧健身与哮喘症状无关。

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