Internal validity and reliability of experience-based household food insecurity scales in Indian settings

被引：0

作者：

Sethi V. ^{[1
]}

Maitra C. ^{[2
]}

Avula R. ^{[3
,5
]}

Unisa S. ^{[4
]}

Bhalla S. ^{[5
]}

机构：

[1] United Nations Children Fund, Child Development and Nutrition Section, UNICEF India Country Office, 73 Lodhi Estate, New Delhi

[2] University of Queensland, School of Economics, Brisbane

[3] International Food Policy Research Institute, New Delhi

[4] Indian Institute of Population Sciences, Department of Mathematical Demography and Statistics, Mumbai

来源：

Agriculture & Food Security | / 6卷 / 1期

关键词：

Food security; Hunger; Reliability; Validity;

D O I：

10.1186/s40066-017-0099-3

中图分类号：

学科分类号：

摘要：

Background: Experience-based household food insecurity (HFI) scales are not included in large-scale Indian surveys. There is limited evidence on which experience-based HFI scale or questions within a scale are most relevant for India. Between 01 June and 31 August 2015, we reviewed 19 published and unpublished studies, conducted in India between January 2000 and June 2015, which used experience-based HFI scales. As part of this exercise, internal validity and reliability of the scale used in these studies was examined, field experiences of 31 researchers who used experience-based HFI scales in India were gathered and psychometric tests were conducted where raw data were available. Results: Out of the 19 studies reviewed, HFI prevalence varied depending on the type of experience-based HFI scale used. Internal reliability across scales ranged between 0.75 and 0.94; however certain items ('balanced meal', 'preferred food', 'worried food would run out') had poor in-fit and out-fit statistics. To improve this, the following is suggested, based on review and experience of researchers: (1) cognitive testing of quality of diet items; (2) avoiding child-referenced items; (3) rigorous training of enumerators; (4) addition of 'how often' to avoid overestimation of food-insecure conditions; (5) splitting the cut and skip meal item and (6) using a standardized set of questions for aiding comparison of construct validity across scales. Conclusions: An evidence-based policy dialogue is needed in India for contextualizing and harmonizing the experience-based HFI scales across multiple surveys to aid comparability over time, and support policy decision making. © 2017 The Author(s).

引用

共 34 条

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