[哥伦比亚、危地马拉和墨西哥的粮食不安全经历量表（FIES）。]
[Food Insecurity Experience Scale (FIES) in Colombia, Guatemala, and México.].
作者信息
Garzón-Orjuela Nathaly, Melgar-Quiñónez Hugo, Eslava-Schmalbach Javier
机构信息
Hospital Universitario Nacional de Colombia, Facultad de Medicina, Universidad Nacional de Colombia. Bogotá. Colombia.
Institute for Global Food Security, School of Dietetics and Human Nutrition, McGill University. Montreal. Canadá.
出版信息
Salud Publica Mex. 2018 Sep-Oct;60(5):510-519. doi: 10.21149/9051.
OBJECTIVE
To compare the psychometric characteristics of the Food Insecurity Experience Scale (FIES) and the grade of similitude or difference among Colombia, Guatemala, and Mexico during three years.
MATERIALS AND METHODS
Psychometric comparison using the Rasch model to calculate the relative severity of each item in FIES, INFIT and contrast in the Differential Functioning of Items (c-DIF).
RESULTS
The majority of items showed a relative severity corresponding to the theoretical construct and acceptably fit the model (INFIT=0.7-1.3). No c-DIF above 1.0 logit was observed in the comparison men vs women. In the comparison among countries by year 87% of the items showed c-DIF below 0.5 logit.
CONCLUSIONS
The FIES presents psychometric characteristics corresponding to the theoretical construct of the tool. Future studies with the inclusion of more countries and more time points are essential to evaluate the relative severity, behavior and distribution of items.
目的
比较粮食不安全体验量表（FIES）的心理测量特征以及哥伦比亚、危地马拉和墨西哥在三年间的相似程度或差异程度。
材料与方法
使用拉施模型进行心理测量比较，以计算FIES中每个项目的相对严重程度、INFIT以及项目差异功能对比（c-DIF）。
结果
大多数项目显示出与理论结构相对应的相对严重程度，并可接受地拟合模型（INFIT = 0.7 - 1.3）。在男性与女性的比较中，未观察到高于1.0对数单位的c-DIF。在按年份进行的国家间比较中，87%的项目显示c-DIF低于0.5对数单位。
结论
FIES呈现出与该工具理论结构相对应的心理测量特征。纳入更多国家和更多时间点的未来研究对于评估项目的相对严重程度、行为和分布至关重要。
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