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美国营养摄入趋势:1987年和1992年国家健康访谈调查

US trends in nutrient intake: the 1987 and 1992 National Health Interview Surveys.

作者信息

Norris J, Harnack L, Carmichael S, Pouane T, Wakimoto P, Block G

机构信息

School of Public Health, University of California at Berkeley 94720, USA.

出版信息

Am J Public Health. 1997 May;87(5):740-6. doi: 10.2105/ajph.87.5.740.

Abstract

OBJECTIVES

This study examined US trends in nutrient intake, using almost identical methods and nutrient databases in two time periods.

METHODS

An extensive dietary intake questionnaire was included in supplements to the 1987 and 1992 National Health Interview Surveys. Dietary data from approximately 11,000 persons in each of those years were analyzed.

RESULTS

The total and saturated fat intake and the percentage of energy from fat declined among Whites and Hispanics, but only minimal changes were seen in Black Americans. The changes in fat intake were attributable principally to behavioral changes in frequency and type of fat-containing foods consumed rather than to the increased availability of leaner cuts of meat. Dietary cholesterol showed one of the largest declines of the nutrients examined. Less desirable changes were also seen. Cereal fortification played an important role in the observed changes in several micronutrients.

CONCLUSIONS

Educational campaigns on dietary fat and cholesterol have been moderately effective, but not in all racial/ethnic groups. Future campaigns should emphasize maintaining or increasing micronutrient intake.

摘要

目的

本研究采用几乎相同的方法和营养数据库,对两个时间段内美国的营养摄入趋势进行了调查。

方法

1987年和1992年的《美国国家健康访谈调查》补充问卷中包含了一份详尽的饮食摄入调查问卷。对这两年中每年约11,000人的饮食数据进行了分析。

结果

白人和西班牙裔人群的总脂肪和饱和脂肪摄入量以及脂肪提供的能量百分比有所下降,但美国黑人的变化极小。脂肪摄入量的变化主要归因于所食用的含脂肪食物的频率和种类的行为变化,而非瘦肉切块供应的增加。膳食胆固醇是所研究营养素中下降幅度最大的之一。也出现了一些不太理想的变化。谷物强化在几种微量营养素的观察变化中起到了重要作用。

结论

关于膳食脂肪和胆固醇的教育活动取得了一定成效,但并非对所有种族/族裔群体都有效。未来的活动应强调维持或增加微量营养素的摄入量。

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