Allison D B, Egan S K, Barraj L M, Caughman C, Infante M, Heimbach J T
Obesity Research Center, St Luke's/Roosevelt Hospital, Columbia University College of Physicians and Surgeons, New York, NY, USA.
J Am Diet Assoc. 1999 Feb;99(2):166-74; quiz 175-6. doi: 10.1016/S0002-8223(99)00041-3.
To estimate mean level of trans fatty acid intakes using a representative sample of the US population.
The study used food intake data from the 1989-1991 Continuing Survey of Food Intakes by Individuals (CSFII) and the trans fatty acid contents of specific foods calculated from a database compiled by the US Department of Agriculture (USDA) to estimate the mean level and deciles of trans fatty acid intake of the representative US population.
SUBJECTS/SETTING: Trans fatty acid intakes were estimated for each subject (N = 11,258) in the CSFII data who completed both a 24-hour recall and a 2-day food record.
Weights developed by USDA for the survey were used for all data analyses. The Technical Assessment Systems (TAS) International Diet Research System (TAS-DIET), software developed by TAS, was used to derive weighted estimates of the mean and percentiles of the intake distribution. PC CARP, software designed by Iowa State University, was used to estimate standard errors.
Mean percentage of energy ingested as trans fatty acids was 2.6% and the mean percentage of total fat ingested as trans fatty acids was 7.4%. Across all age and gender groups examined, estimates ranged from 2.6% to 2.8% and 7.1% to 7.9%, respectively.
APPLICATIONS/CONCLUSIONS: Dietetics practitioners can use the representative data of this study to help clients achieve desired changes in consumption levels of trans fatty acids.
使用美国人群的代表性样本估计反式脂肪酸的平均摄入量水平。
该研究使用了1989 - 1991年个人食物摄入量持续调查（CSFII）中的食物摄入数据，以及根据美国农业部（USDA）编制的数据库计算出的特定食物的反式脂肪酸含量，以估计美国代表性人群反式脂肪酸摄入量的平均水平和十分位数。
研究对象/背景：对CSFII数据中完成了24小时回忆法和2天食物记录的每个研究对象（N = 11,258）的反式脂肪酸摄入量进行了估计。
USDA为该调查制定的权重用于所有数据分析。由技术评估系统（TAS）开发的国际饮食研究系统（TAS - DIET）软件用于得出摄入量分布均值和百分位数的加权估计值。由爱荷华州立大学设计的PC CARP软件用于估计标准误差。
反式脂肪酸提供的能量平均百分比为2.6%，反式脂肪酸占总脂肪摄入量的平均百分比为7.4%。在所研究的所有年龄和性别组中，估计值分别在2.6%至2.8%和7.1%至7.9%之间。
应用/结论：饮食从业者可以使用本研究的代表性数据，帮助客户实现反式脂肪酸消费水平的理想变化。
