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目的了解11～40岁女性零食消费行为变化及其与肥胖关系,为制定营养政策提供依据。方法采用连续3 d全家食物称重记账法和24 h个人膳食回顾调查,同时对调查对象进行相关体格检查。结果年轻女性夜间吃零食频率明显增加,由1997年的38.8%增加到2009年的52.1%;零食消费地点主要在家,平均频率为68.2%;历年零食占每日膳食总能量比例及体质指数均呈上升趋势;Logistic回归分析显示,是否消费零食、消费零食的年龄、时间、零食占每日膳食总能量的比例与肥胖呈正相关,OR分别为1.354、1.742、1.413、1.327。结论年轻女性吃零食现象普遍存在,且不合理的消费行为不断增长,成为影响年轻女性肥胖的因素之一。
Objective To understand the changes of the consumer behavior and the relationship with the obesity in 11 ~ 40-year-old women and provide the basis for the formulation of nutrition policy. Methods The food intake of the whole family for 3 d and the 24-h personal diet were retrospectively investigated. At the same time, related physical examinations were conducted. Results The frequency of young women eating snacks at night increased significantly from 38.8% in 1997 to 52.1% in 2009. The consumption of snacks at home was mainly at home, with an average frequency of 68.2%. The total daily dietary energy ratio and body mass index The logistic regression analysis showed that there was a positive correlation between the proportion of the total dietary energy consumption and the age, Conclusion Young women eat snacks are common, and unreasonable consumer behavior continues to grow, becoming one of the factors that affect young women’s obesity.