Department of Nutrition, University of California, One Shields Avenue, Davis, CA 95616-8669, USA.
Public Health Nutr. 2011 Jul;14(7):1165-76. doi: 10.1017/S1368980010003058. Epub 2011 Feb 22.
To assess convergent validity, factorial validity, test-retest reliability and internal consistency of a diet quality food behaviour checklist (FBC) for low-literate, low-income Spanish speakers.
Participants (n 90) completed three dietary recalls, the Spanish-language version of the US Department of Agriculture (USDA) Household Food Security Survey Module (HFSSM) and the Spanish-language FBC. Factor structure was examined using principal component analysis. Spearman correlation coefficients between FBC item responses and nutrient intakes from 24 h recalls were used to estimate convergent validity. Correlation coefficients were also calculated between FBC item responses at two time points in another group of participants (n 71) to examine test-retest reliability. Cronbach's α coefficient was determined for items within each sub-scale.
Non-profit community agencies serving low-income clients, migrant farm worker camps and low-income housing sites in four California counties.
Spanish-speaking women (n 161) who met income eligibility for the SNAP-Ed (Supplemental Nutrition Assistance Program-Education).
Factor analysis resulted in six sub-scales. Responses to nineteen food behaviour items were significantly correlated with hypothesized 24 h recall data (with a maximum correlation of 0·44 for drinking milk and calcium) or the USDA HFSSM (0·42 with the food security item). Coefficients for test-retest reliability ranged from 0·35 to 0·79. Cronbach's α ranged from 0·49 for the diet quality sub-scale to 0·80 for the fruit and vegetable sub-scale.
The twenty-two-item FBC and instruction guide will be used to evaluate USDA community nutrition education interventions with low-literate Spanish speakers. This research contributes to the body of knowledge about this at-risk population in California.
评估低识字、低收入西班牙语使用者饮食质量食物行为检查表（FBC）的聚合效度、因子效度、重测信度和内部一致性。
参与者（n=90）完成了三次饮食回忆，美国农业部（USDA）家庭食品安全调查模块（HFSSM）的西班牙语版本和西班牙语 FBC。使用主成分分析检查因子结构。使用 24 小时回忆中 FBC 项目反应与营养素摄入量之间的 Spearman 相关系数来估计聚合效度。还计算了另一组参与者（n=71）在两个时间点的 FBC 项目反应之间的相关系数，以检验重测信度。每个子量表内的项目均计算 Cronbach's α 系数。
非营利社区机构，为低收入客户、流动农场工人营地和加利福尼亚州四个县的低收入住房提供服务。
符合 SNAP-Ed（补充营养援助计划-教育）资格的讲西班牙语的妇女（n=161）。
因子分析产生了六个子量表。19 个食物行为项目的反应与假设的 24 小时回忆数据（最大相关系数为 0.44，用于喝牛奶和钙）或 USDA HFSSM（与食物安全项目的 0.42）显著相关。重测信度系数范围为 0.35 至 0.79。Cronbach's α 范围从饮食质量子量表的 0.49 到水果和蔬菜子量表的 0.80。
将使用 22 项 FBC 和指导指南来评估美国农业部针对低识字西班牙语使用者的社区营养教育干预措施。这项研究为加利福尼亚州这一高危人群的知识体系做出了贡献。
