The Third National Nutrition Survey
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The third national nutrition survey was carried out in China in 1992. It consisted of dietary survey, anthropometry measurements, hemoglobin assay and household income, etc.The sample was drawn using a multistage stratified random cluster process, and consisted of 25033 households (urban 8474,rural 16559), 100201 individuals (male 50813, female 49388) .The household food consumption data were collected for three days using an inventory change combined with weighing method, and individual intakes were obtained by 3 consecutive 24-hour recalls. The national average of energy intake was 9. 740MJ (2328kcal) per reference man per day, urban 10. 020 MJ (2395kcal) rural 9. 598 MJ(2294kcal), of protein was 689 (urban 75g, rural 649) and fat was 58g(urban 789, rural 489). Each population segment is categorized into three groups by household income, namely low, middle and high. The high income group consumed more energy, protein and fat than the poorer groups did. The average consumption of niacin and ascorbic acid was adequate of retinol equivalent and riboflavin was low. The calcium intake was only 405 mg per day. Intakes of zinc and selenium reached 85%～90% of the Chinese RDA. Cereals provided 67% of the dietary energy and 62% of protein. Fat energy accounted for 22% of the total, and animal fat accounted for 40% of the dietary fat. The proportion of underdeveloped children below 6 years(Zscore2, NCHS reference) by province was 2. 2 %～53. 8% (height for age), 0～32. 1 % (weight for age) and 0. 7 %～15. 0% (weight for height). Overweight children (Zscore2) was averaged from 0. 6% ～9. 2% in provinces. Undernourished adults (BMI18.5) accounted for 3. 3%～16. 9% for urban, and 2.9%～22. 1% for rural populations. The overweight part (BMI25) was 3. 8%～32. 8% and 2. 2%～36. 8% for urban and rural respectively. Hemoglobin determination of 73394 individuals showed that the anemia rate for children below 3 years was 9. 7%～29. 7%, for 3～5 years was 3%～12%, for 6～10 years was 13%～29%, for adults was around 10% (male) and 10%～25% (female), for the elderlys was 20%～40%.
JOUR
Keyou, Ge
Feng-ying, Zhai
Huaicheng, Yan
1996
Wei Sheng Yan Jiu/Journal of Hygiene Research
10
004
456-456
1713