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Abstract：
To examine the association between meat consumption and earlier age of menarche among schoolgirls in Shanghai.
The study randomly selected 1981 schoolgirls aged 6-18 years in Shanghai using a two-stage random sampling design. Information on meat intake was collected using a semi-quantitative food frequency questionnaire. Menarche age, household income, physical activity and other covariates were obtained by standardised questionnaires. Logistic regression was used to analyse the association between intake of meat and earlier age of menarche. Earlier age of menarche was defined as first menstruation before 12 years of age.
Among the 986 girls who had experienced menarche, 518/986 (52.5%) had earlier age of menarche. After adjusting for body mass index, age, physical activity, sleep, household income and parental education, consumption of poultry was positively associated with risk of earlier age of menarche (P-trend = .03). Girls who never consumed poultry had a lower risk of earlier age of menarche (odds ratio [OR]: 0.61, 95% confidence interval [CI]: 0.39-0.96). Neither the consumption of pork, beef, lamb, processed meat nor total meat consumption was associated with menarche age.
Higher consumption of poultry was associated with an earlier age at menarche.
The study randomly selected 1981 schoolgirls aged 6-18 years in Shanghai using a two-stage random sampling design. Information on meat intake was collected using a semi-quantitative food frequency questionnaire. Menarche age, household income, physical activity and other covariates were obtained by standardised questionnaires. Logistic regression was used to analyse the association between intake of meat and earlier age of menarche. Earlier age of menarche was defined as first menstruation before 12 years of age.
Among the 986 girls who had experienced menarche, 518/986 (52.5%) had earlier age of menarche. After adjusting for body mass index, age, physical activity, sleep, household income and parental education, consumption of poultry was positively associated with risk of earlier age of menarche (P-trend = .03). Girls who never consumed poultry had a lower risk of earlier age of menarche (odds ratio [OR]: 0.61, 95% confidence interval [CI]: 0.39-0.96). Neither the consumption of pork, beef, lamb, processed meat nor total meat consumption was associated with menarche age.
Higher consumption of poultry was associated with an earlier age at menarche.
摘要：
研究上海女学生肉类消费与初潮年龄之间的关系。
本研究采用两阶段随机抽样设计，随机抽取上海1981名6-18岁女学生。使用半定量食物频率问卷收集有关肉类摄入量的信息。初潮年龄,家庭收入,体力活动和其他协变量是通过标准化问卷获得的。使用Logistic回归分析肉类摄入量与初潮年龄之间的关系。初潮年龄较早被定义为12岁之前的第一次月经。
在经历过初潮的986名女孩中，518/986（52.5%）初潮年龄较早。调整体重指数后，年龄,身体活动,睡眠,家庭收入和父母教育，家禽消费与初潮年龄较早的风险呈正相关(P趋势=0.03).从未食用家禽的女孩初潮年龄较早的风险较低（比值比[OR]：0.61，95％置信区间[CI]：0.39-0.96）。无论是猪肉的消费，牛肉,羔羊,加工肉或肉类总消费量与初潮年龄有关。
较高的家禽消费量与初潮年龄较早有关。
本研究采用两阶段随机抽样设计，随机抽取上海1981名6-18岁女学生。使用半定量食物频率问卷收集有关肉类摄入量的信息。初潮年龄,家庭收入,体力活动和其他协变量是通过标准化问卷获得的。使用Logistic回归分析肉类摄入量与初潮年龄之间的关系。初潮年龄较早被定义为12岁之前的第一次月经。
在经历过初潮的986名女孩中，518/986（52.5%）初潮年龄较早。调整体重指数后，年龄,身体活动,睡眠,家庭收入和父母教育，家禽消费与初潮年龄较早的风险呈正相关(P趋势=0.03).从未食用家禽的女孩初潮年龄较早的风险较低（比值比[OR]：0.61，95％置信区间[CI]：0.39-0.96）。无论是猪肉的消费，牛肉,羔羊,加工肉或肉类总消费量与初潮年龄有关。
较高的家禽消费量与初潮年龄较早有关。
