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目的分析成都市儿童青少年谷、薯类食物摄入情况与青春期发育的关系。方法采用分层整群随机抽样法选取成都市1902名7~18岁儿童青少年作为研究对象,分别采用食物频率调查表和现场观测收集膳食和青春期发育的数据。结果被调查男生发生初遗的平均年龄为12.8岁,女生发生初潮的平均年龄为12.3岁。已发生初遗男生比未发生初遗者谷类的摄入量高(P<0.0001),而已发生初潮女生较未发生初潮者谷类的摄入量低(P<0.01)。男生的谷类摄入量随青春期发育程度升高而逐渐增加(P<0.0001);发育早期组女生谷类的摄入量最高,女生的薯类摄入量随青春期发育程度升高而逐渐降低(P<0.05)。结论成都市儿童青少年谷、薯类食物的摄入可能与青春期发育相关,且存在性别差异。
Objective To analyze the relationship between dietary intake of potato and potato and adolescent development in children and adolescents in Chengdu. Methods A stratified cluster random sampling method was used to select 1902 adolescents aged 7-18 years in Chengdu as study subjects. Data of dietary and adolescent development were collected by food frequency questionnaire and field observation respectively. Results The average age of first births of boys investigated was 12.8 years and that of girls was 12.3 years. The incidence of cerebrovascular diseases in newly diagnosed boys was higher than that in non-primary boys (P <0.0001), while the intake of cereals in menarche girls who had no first onset was lower (P <0.01). The cereal intake of boys increased gradually with the increase of puberty (P <0.0001). In the early stage of development, the intake of cereals was the highest in girls and the intake of potato in girls was gradually decreased with the increase of puberty (P <0.05). Conclusion Chengdu children and adolescents Valley, potato intake may be related to adolescent development, and there are gender differences.