IS THE LATIN AMERICAN AND CARIBBEAN FOOD SECURITY SCALE AN APPROPRIATE INSTRUMENT FOR MEXICAN URBAN OLDER ADULTS?
Background: Older adults in Mexico are a growing share of the population and are a largely vulnerablegroup with increased risk of food insecurity and potential detrimental health effects stemming from it.Objectives:This study assesses the face validity of the Latin American and Caribbean Food Security Scale(ELCSA) among Mexican urban older adults of low socioeconomic status. Design: Qualitative study based on 4focus groups. Setting: The focus groups were conducted in community organizations for the elderly in an areaof Mexico City with a high proportion of poverty. Participants: The focus groups included a total of 36 olderadults aged 65 and over who consented to participate. Measurements:Two initial focus groups were conductedto assess how older adults understood the food security construct and each of the ELCSA items. Based on thesefindings, ELCSA was modified and retested for face validity through two additional focus groups. Results:Theinitial focus groups suggested that several of the scale items were not well understood, leading to editorialmodifications of the scale. The final focus groups indicated that the modified version of the scale improvedsubstantially ELCSA’s face validity in this sample. Conclusions: The modified ELCSA led to a greaterunderstanding of most scale items. Further qualitative research is needed to improve food insecuritymeasurements among older adults in Latin America.