The use of a personal digital assistant for dietary self-monitoring does not improve the validity of self-reports of energy intake
The use of a personal digital assistant for dietary self-monitoring does not improve the validity of self-reports of energy intake
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DOI：
10.1016/j.jada.2006.05.004
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发表时间：
2006-08-01
影响因子：
--
通讯作者：
Gold, Beth Casey
中科院分区：
文献类型：
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作者：
Yon, Bethany Ann;Johnson, Rachel K.;Gold, Beth Casey
能量摄入量少报是一个普遍存在的问题，且难以改善，尤其是在超重和肥胖人群中。本研究的目的是调查使用个人数字助理（PDA）进行饮食自我监测是否会减少漏报率并提高自我报告能量摄入的有效性。超重和肥胖的成年人（n=61，其中 92% 为女性，平均年龄 48.2 岁，平均体重指数 32.3）被提供装有 Calorie King's Diet Diary 软件（版本 3.2.2，2002，Family Health Network，Costa Mesa，CA）的 PalmZire 21（Palm, Inc, Sunnyvale, CA）。受试者参加了为期 24 周的现场行为体重控制计划，并被要求使用 PDA 自我监控他们的饮食和运动习惯。在基线时估计基础代谢率和体力活动水平。在体重控制计划的第一个月内收集了 7 天电子食品记录中的能量摄入量。由于受试者正在积极减肥，班迪尼的调整被用来纠正自我报告的减肥能量摄入量。在该组中，41% 的受试者被归类为低能量报告者，与文献报道的相比，使用 PDA 并没有提高能量报告的有效性。
Underreporting of energy intake is a pervasive problem and resistant to improvement, especially among people with overweight and obesity. The goal of this study was to investigate whether the use of a personal digital assistant (PDA) for dietary self-monitoring would reduce underreporting prevalence and improve the validity of self-reported energy intake. Adults with overweight and obesity (n=61, 92% women, mean age 48.2 years, mean body mass index 32.3) were provided with a PalmZire 21 (Palm, Inc, Sunnyvale, CA) loaded with Calorie King's Diet Diary software (version 3.2.2, 2002, Family Health Network, Costa Mesa, CA). Subjects participated in a 24-week in-person behavioral weight control program and were asked to self-monitor their diet and exercise habits using the PDA. Basal metabolic rate and physical activity level were estimated at baseline. Energy intake from 7-day electronic food records were collected within the first month of the weight-control program. As subjects were actively losing weight, Bandini's adjustments were used to correct self-reported energy intake for weight loss. In this group, where 41% of the subjects were categorized as low-energy reporters, the use of a PDA did not improve validity of energy reporting when compared to what is reported in the literature.