- 作者：Suzanne D. Baxter ; David B. Hitchcock ; Caroline H. Guinn ; Julie A. Royer ; Dawn K. Wilson ; Russell R. Pate ; Kerry L. McIver ; Marsha Dowda
- 关键词：child ; observation ; diet ; validation studies ; dietary recall ; physical activity recall
- 刊名：Journal of Nutrition Education and Behavior
- 出版年：2013
- 出版时间：July-August, 2013
- 年：2013
- 卷：45
- 期：4
- 页码：368-373
- 全文大小：774 K
Objective
Investigate differences in dietary recall accuracy by interview content (diet only or diet and physical activity), retention interval (same day or previous day), and grade (third or fifth).Methods
Thirty-two children observed eating school-provided meals and interviewed once each; interview content and retention interval randomly assigned. Multivariate analysis of variance on rates for omissions (foods observed but unreported) and intrusions (foods reported but unobserved); independent variables: interview content, retention interval, grade.
Results
Accuracy differed by retention interval (P = .05; better for same day [omission rate, intrusion rate: 28 % , 20 % ] than previous day [54 % , 45 % ]) but not interview content (P > .48; diet only: 41 % , 33 % ; diet and physical activity: 41 % , 33 % ) or grade (P > .27; third: 48 % , 42 % ; fifth: 34 % , 24 % ).
Conclusions and Implications
Although the small sample limits firm conclusions, results provide evidence-based direction to enhance accuracy: specifically, to shorten the retention interval. Larger validation studies need to investigate the combined effect of interview content, retention interval, and grade on accuracy.