Department of Global Health and Social Medicine, Harvard Medical School, Boston, MA 02115, USA.
Division of Gastroenterology, Hepatology and Nutrition, Boston Children's Hospital, Boston, MA 02115, USA.
Nutrients. 2017 Oct 14;9(10):1121. doi: 10.3390/nu9101121.
Tools to assess intake among children in Latin America are limited. We developed and assessed the reproducibility and validity of a semi-quantitative food frequency questionnaire (FFQ) administered to children, adolescents, and their caregivers in Lima, Peru. We conducted 24-h diet recalls (DRs) and focus groups to develop a locally-tailored FFQ prototype for children aged 0-14 years. To validate the FFQ, we administered two FFQs and three DRs to children and/or their caregivers ( = 120) over six months. We examined FFQ reproducibility by quartile agreement and Pearson correlation coefficients, and validity by quartile agreement and correlation with DRs. For reproducibility, quartile agreement ranged from 60-77% with correlations highest for vitamins A and C (0.31). Age-adjusted correlations for the mean DR and the second-administered FFQ were highest in the 0-7 age group, in which the majority of caregivers completed the FFQ on behalf of the child (total fat; 0.67) and in the 8-14 age group, in which both the child and caregiver completed the FFQ together (calcium, niacin; 0.54); correlations were <0.10 for most nutrients in the 8-14 age group in which the caregiver completed the FFQ on the child's behalf. The FFQ was reproducible and the first developed and validated to assess various nutrients in children and adolescents in Peru.
拉丁美洲评估儿童摄入量的工具有限。我们开发并评估了一种半定量食物频率问卷（FFQ）在秘鲁利马的儿童、青少年及其照顾者中的再现性和有效性。我们进行了 24 小时饮食回忆（DR）和焦点小组，为 0-14 岁的儿童开发了一个量身定制的本地 FFQ 原型。为了验证 FFQ，我们在六个月内对 120 名儿童及其照顾者进行了两次 FFQ 和三次 DR 调查。我们通过四分位数一致性和 Pearson 相关系数来检查 FFQ 的再现性，并通过四分位数一致性和与 DR 的相关性来评估其有效性。在再现性方面，四分位数一致性在 60-77%之间，维生素 A 和 C 的相关性最高（0.31）。调整年龄后，与 DR 平均值相关性最高的是 0-7 岁年龄组，其中大多数照顾者代表孩子完成了 FFQ（总脂肪；0.67），而在 8-14 岁年龄组中，孩子和照顾者一起完成了 FFQ（钙、烟酸；0.54）；在 8-14 岁年龄组中，大多数营养素的相关性<0.10，在这个年龄组中，照顾者代表孩子完成了 FFQ。该 FFQ 具有再现性，是为评估秘鲁儿童和青少年的各种营养素而首次开发和验证的。
