Psychometric properties of the household food insecurity assess scale among households with tuberculosis patients in South India

Main Article Content

Yuvaraj Krishnamoorthy
Sathish Rajaa
Komala Ezhumalai
Selby Knudsen
Robert Horsburgh Jr
Natasha Hochberg
Padmini Salgame
Jerrold Ellner
Senbagavalli Prakash Babu
Sonali Sarkar

Keywords

Food security, Tuberculosis, Validation Studies, Household Food Insecurity Access Scale

Abstract

Background/Aim


We conducted this study to assess the psychometric properties (construct validity and internal consistency) of the Household Food Insecurity Access Scale (HFIAS) in measuring household food insecurity among households with tuberculosis (TB) patients in South India


Methods


Cross-sectional analysis of data from large-scale cohort study under RePORT-India consortium, conducted between 2014 and 2019 amongst three districts of South India (Pondicherry district in Puducherry, Villupuram and Cuddalore in Tamil Nadu. Households with newly diagnosed smear positive TB patients aged ≥6 years were selected as study participants. Construct validity of HFIAS was assessed through exploratory and confirmatory factor analysis. Reliability assessment was done through Cronbach’s alpha.


Results


We found that 33.4% of the households with TB patients had food insecurity. The principal component analysis in this study found two-factor model for HFIAS, representing insufficient food quality and quantity. Both these factors explained 88% of the total variance. Confirmatory factor analysis also revealed acceptable goodness-of-fit indices for the two-factor model. The scale had very good internal consistency (Cronbach’s α=0.92).


Conclusion


The HFIAS tool has showed good validity and reliability to measure household food insecurity among TB households in South India.

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