Qu J B, Zhang Z W, Shimbo S, Liu Z M, Cai X C, Wang L Q, Watanabe T, Nakatsuka H, Matsuda-Inoguchi N, Higashikawa K, Ikeda M
Department of Hygiene, Faculty of Public Health, Shandong Medical University, Jinan, Shandong, People's Republic of China.
Eur J Clin Nutr. 2000 Oct;54(10):741-8. doi: 10.1038/sj.ejcn.1601081.
The objectives of this study were to investigate possible urban-rural differences in food intakes in Jilin province and in continental China as a whole, and to examine possible implications for nutritional status of urban and rural populations.
Cross-sectional study.
Communities.
In total, 499 adult women in six urban sites and four rural sites, 10 sites in total, including two sites in Jilin province.
A pair of surveys were conducted in September, 1999, in the provincial capital of Changchun and a farming village in Dehui county, both in Jilin province, in northeast China. Each of 50 adult women per survey site provided a 24 h duplicate food sample and a blood sample, and had an interview on health history including anthropometry and blood pressure measurement. Nutrient intakes were estimated from the food duplicates, using national food composition tables. Results from the two sites were supplemented with data from eight sites where surveys had been conducted following the same protocol, and the pooled material were subjected to analyses for possible urban-rural differences.
The Jilin participants consumed daily, on average, about 1600 kcal energy, 44 g protein, and 60 g lipid with a lipid energy ratio (i.e. the ratio of lipid over total nutrients in terms of energy) of 33%. When nutrient intakes were compared between the urban (i.e. Changchun) and rural (Dehui) groups, urban women consumed more energy, protein (especially animal protein) and lipid than rural women. Similar examination of data from six urban and four rural sites, including the present two, showed that adult women in urban areas eat more animal protein and animal fat than their counterparts in villages, and suggested that the observation on urban rural difference in Jilin province can be extrapolated to a nationwide scale.
Urban rural differences in nutrient intakes still persist in 1999 not only in Jilin but in other provinces, typically in the terms of intakes of animal-based foods.
本研究的目的是调查吉林省以及整个中国大陆城乡居民食物摄入量可能存在的差异，并探讨其对城乡居民营养状况的潜在影响。
横断面研究。
社区。
总共来自六个城市地点和四个农村地点的499名成年女性，共10个地点，其中包括吉林省的两个地点。
1999年9月，在中国东北吉林省的省会长春市和德惠县的一个农村进行了一对调查。每个调查地点的50名成年女性每人提供一份24小时重复食物样本和一份血液样本，并接受包括人体测量和血压测量在内的健康史访谈。使用国家食物成分表从食物重复样本中估算营养素摄入量。这两个地点的结果补充了另外八个按照相同方案进行调查的地点的数据，并对汇总材料进行分析以探讨可能存在的城乡差异。
吉林省的参与者平均每天摄入约1600千卡能量、44克蛋白质和60克脂肪，脂肪能量比（即脂肪能量占总营养素能量的比例）为33%。当比较城市（即长春）和农村（德惠）组的营养素摄入量时，城市女性比农村女性摄入更多的能量、蛋白质（尤其是动物蛋白）和脂肪。对包括本研究的两个地点在内的六个城市和四个农村地点的数据进行类似分析表明，城市成年女性比农村成年女性摄入更多的动物蛋白和动物脂肪，这表明吉林省城乡差异的观察结果可以推广到全国范围。
1999年，不仅在吉林省，其他省份也仍然存在城乡营养素摄入量差异，特别是在动物性食物的摄入量方面。
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