Hartman A M, Block G, Chan W, Williams J, McAdams M, Banks W L, Robbins A
Division of Cancer Prevention and Control, National Cancer Institute, Bethesda, MD 20892-7344, USA.
Nutr Cancer. 1996;25(3):305-15. doi: 10.1080/01635589609514454.
The reproducibility of the widely used Health Habits and History Questionnaire (HHHQ) for estimating "usual past-year" nutrient intake was examined. The HHHQ was self-administered on three occasions during three different seasons; 68 women (avg age 43 yrs) provided usable data for all three questionnaires in the appropriate seasons. Intraclass correlations (ICC) among the three administrations ranged from 0.56 (carotene) to 0.82 (fat as percentage of energy), with a median of 0.72. Thus, reliability was moderate to good, and season of administration/ordinality generally had little impact on ranking of individuals. The point estimates of intake of energy and a number of nutrients were higher in the first administration (winter). Except for dietary fiber and possibly carotene, most differences disappeared when adjusted for energy using a nutrient density approach, as well as using repeated-measures regression models. The higher intake in the first administration may be due more to either learning or fatigue effect rather than an effect of seasonal food availability on perceptions of "usual" intake. These data should be used in conjunction with validity data in the future to help evaluate the gain in precision of group means (and changes in these means) and improved estimates of odds ratios and correlations between nutrients and factors such as serum values, if a questionnaire is administered more than once.
我们对广泛使用的健康习惯与病史问卷（HHHQ）在估算“过去一年通常”营养摄入量方面的可重复性进行了研究。HHHQ在三个不同季节分三次进行自填式调查；68名女性（平均年龄43岁）在相应季节为所有三份问卷提供了可用数据。三次调查之间的组内相关系数（ICC）范围为0.56（胡萝卜素）至0.82（脂肪占能量的百分比），中位数为0.72。因此，可靠性为中等至良好，调查季节/顺序通常对个体排名影响不大。第一次调查（冬季）中能量和多种营养素摄入量的点估计值较高。除膳食纤维和可能的胡萝卜素外，当使用营养素密度法以及重复测量回归模型对能量进行校正后，大多数差异消失。第一次调查中摄入量较高可能更多是由于学习或疲劳效应，而非季节性食物供应对“通常”摄入量认知的影响。如果一份问卷多次使用，这些数据应在未来与有效性数据结合使用，以帮助评估组均值精度的提高（以及这些均值的变化），并改进对优势比以及营养素与血清值等因素之间相关性的估计。
