Sex differences in fruit and vegetable intake in older adults
Sex differences in fruit and vegetable intake in older adults
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DOI：
10.1016/s0195-6663(03)00014-x
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发表时间：
2003-06-01
期刊：
影响因子：
5.4
通讯作者：
Wardle, J
中科院分区：
文献类型：
--
作者：
Baker, AH;Wardle, J
水果和蔬菜是健康饮食的重要组成部分，但大多数西方国家的摄入量远远低于建议的每天五份。尤其是男人吃得太少。本研究的目的是了解这种性别差异背后的过程。水果和蔬菜的摄入量，营养知识，口味偏好，对水果和蔬菜摄入量的态度，以及节食状况，在一个简单的问卷调查中进行了评估，1024名老年人参加了英国各地的人口为基础的癌症筛查。结果证实了男性每天摄入的水果和蔬菜少于女性（2.52 vs 3.47; p < 0.01）。男性比女性更少知道目前的水果和蔬菜摄入量建议，更少的人知道水果和蔬菜消费与疾病预防之间的联系。女性对蔬菜的喜爱程度更高，但对水果的喜爱程度却不高，而且态度上没有差异。男性不太可能通过节食来减肥。多因素分析显示，控制营养知识后，性别差异显著减弱。偏好、态度或节食状态没有显著的衰减效应。这些结果表明，男性的营养知识较差，这在很大程度上解释了他们水果和蔬菜摄入量较低的原因。(C)2003爱思唯尔科技有限公司版权所有。
Fruits and vegetables are important components of a healthy diet, but intakes in most Western countries are well below the recommended five servings a day. Men in particular are eating too little. The aim of this study is to understand the processes underlying this gender difference. Fruit and vegetable intake, nutrition knowledge, taste preferences, attitudes to fruit and vegetable intake, and dieting status, were assessed in a simple questionnaire in 1024 older adults attending population-based cancer screening across the UK. The results confirmed the pattern of men consuming fewer servings of fruit and vegetables daily than women (2.52 vs 3.47; p < 0.01). Fewer men than women knew the current recommendations for fruit and vegetable intake, and fewer were aware of the links between fruit and vegetable consumption and disease prevention. Women rated their liking for vegetables but not fruit higher, and there were no differences in attitudes. Men were less likely to be dieting to lose weight. Multivariate analysis showed that the gender difference in intake was substantially attenuated by controlling for nutrition knowledge. There were no significant attenuating effects of preferences, attitudes or dieting status. These results indicate that men's poorer nutrition knowledge explains a significant part of their lower intake of fruit and vegetables. (C) 2003 Elsevier Science Ltd. All rights reserved.