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首页> 外文期刊>Pediatrics: Official Publication of the American Academy of Pediatrics >Impact of Adopting Lower-fat Food Choices on Nutrient Intake of American Children
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Impact of Adopting Lower-fat Food Choices on Nutrient Intake of American Children

机译:采用低脂食物选择对美国儿童营养摄入的影响

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Objective .?To compare the overall nutrient intake of American children (ages 2 to 19) who exclusively use skim milk instead of 1%, 2%, or whole milk; lean meats instead of higher-fat meats; or fat-modified products instead of full-fat products.Study Design .?A unique sorting procedure was used to categorize respondents to the 1989–1991 Continuing Survey of Food Intake by Individuals according to reported use or nonuse of certain fat-reduction strategies. Differences in intake of 23 macronutrients and micronutrients, as well as energy, by exclusive users, mixed users, and nonusers of each strategy were statistically analyzed using analysis of variance with Scheffe's test. The number of fat-reduction strategies used by the children as well as demographic characteristics also were analyzed.Results .?Only a small number of children qualified as exclusive users of skim milk (3%), lean meats (2%), and fat-modified products (1%). Energy intakes for all children were below 100% of the recommended dietary allowance. However, children (n = 85) who used skim milk exclusively in place of higher-fat milks closely approximated the current dietary recommendations (30% energy from fat, less than 10% from saturated fat, and less than 300 mg cholesterol) while maintaining adequate micronutrient intake and without significantly impacting energy. Children (n = 52) who used lean meats in place of higher-fat meats achieved the guideline for total fat; however, energy intake was 70% of the recommended dietary allowance and vitamin E was 63%. Children (n = 20) who use only fat-modified versions of cheese, salad dressing, cake, pudding, and yogurt made no significant impact on their energy, fat, or micronutrient intake. Of the 3299 children in the data set, only 3 qualified as users of two fat-reduction strategies and none qualified as users of all three strategies. Exclusive users of skim milk, lean meat, or fat-modified products were more likely to be female, white, and live in families with higher incomes. Those using skim milk or lean meat exclusively also were more likely to be older, whereas those exclusively using fat-modified products were younger. Furthermore, those using skim milk or fat-modified products exclusively were more likely to live in households where the head had more years of education, whereas those exclusively using lean meats were from households headed by those with slightly less years of education.Conclusions .?Despite the inherent limitations of population-based food surveys (including issues of underreporting, lack of biological markers and accurate anthropometric measures, and limited nutrient databases), these results provide insight into the rate of use of certain lower-fat food choices by children and suggest exclusive use can facilitate achievement of contemporary dietary recommendations. The impact of using these fat-reduction strategies on children's overall nutrient intake differs depending on the strategy used. Use of skim milk is an economical single-food strategy that facilitates achievement of contemporary dietary guidelines while maintaining nutrient adequacy. Professional guidance is recommended for children who exclusively use lean meats to assure adequate intake of energy and vitamin E. The impact of fat-modified products needs to be monitored closely as the number of such products increases in the marketplace. Results of this study can be used by health professionals working with children and their parents to highlight the overall efficacy of dietary recommendations while alerting them to potential pitfalls.
机译:目的:比较仅使用脱脂牛奶而非1%,2%或全脂牛奶的美国儿童(2至19岁)的总营养摄入量;瘦肉代替高脂肉;研究设计:根据报告的使用或未使用某些减脂策略,采用了独特的分类程序对1989-1991年个人食物摄入量连续调查的受访者进行分类。使用Scheffe检验进行方差分析,统计分析了每种策略的专有用户,混合用户和非用户在23种常量营养素和微量营养素以及能量摄入中的差异。结果还只分析了少数儿童的脱脂奶(3%),瘦肉(2%)和脂肪的专有使用者资格。改性产品(1%)。所有儿童的能量摄入均低于建议的饮食标准的100%。但是,仅使用脱脂牛奶代替高脂牛奶的儿童(n = 85)与目前的饮食建议非常接近(脂肪中的能量占30%,饱和脂肪中的能量不足10%,胆固醇小于300 mg),同时保持摄入足够的微量营养素,而不会显着影响能量。使用瘦肉代替高脂肉的儿童(n = 52)达到了总脂肪的指导;但是,能量摄入量为推荐饮食标准的70%,维生素E为63%。仅使用脂肪改性版本的奶酪,色拉调料,蛋糕,布丁和酸奶的儿童(n = 20)对他们的能量,脂肪或微量营养素摄入量没有显着影响。在数据集中的3299名儿童中,只有3名符合使用两种减脂策略的资格,而没有一名符合使用所有三种减脂策略的资格。脱脂牛奶,瘦肉或脂肪改性产品的专有用户更有可能是女性,白人和生活在收入较高的家庭。仅使用脱脂牛奶或瘦肉的人年龄较大,而仅使用脂肪改性产品的人年龄较小。此外,那些专门使用脱脂奶或脂肪改性产品的人更有可能生活在那些受教育年限较长的家庭中,而仅使用瘦肉的人则来自那些受教育年限稍短的家庭。尽管基于人群的食品调查存在固有的局限性(包括报告不足,缺乏生物标志物和准确的人体测量学措施以及营养物质数据库有限的问题),但这些结果仍为儿童和儿童使用某些低脂食物的选择率提供了见解。建议独家使用可以促进实现现代饮食建议。使用这些减脂策略对儿童总体营养摄入量的影响取决于所采用的策略。脱脂奶的使用是一种经济的单一食品策略,可在保持营养充足的同时促进实现现代饮食准则。建议为仅使用瘦肉的儿童提供专业指导,以确保摄入足够的能量和维生素E。随着市场上此类产品数量的增加,必须密切监测脂肪改性产品的影响。这项研究的结果可供与儿童及其父母一起工作的卫生专业人员用来强调饮食建议的总体功效,同时提醒他们注意潜在的陷阱。

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