Journal of the Academy of Nutrition and Dietetics

Food Insecurity Is Prevalent in Iowa's Medicaid Expansion Population.

Publication Date May 11, 2021


Abstract Background Food insecurity has been identified as an important social determinant of health and is associated with many health issues prevalent in Medicaid members. Despite this, little research has been done around food insecurity within Medicaid populations. Objective Our objective was to estimate the prevalence of household food insecurity and identify factors associated with experiencing food insecurity in Iowa’s Medicaid expansion population. Design We conducted a cross-sectional telephone survey between March and May of 2019. Participants Our sample was drawn from Medicaid members enrolled in Iowa’s expansion program at least 14 months, stratified by Federal Poverty Level (FPL) category. Members who did not have valid contact information were excluded. We selected one individual per household to reduce the interrelatedness of responses. We sampled 6,000 individuals and had 1,349 respondents in the analytic sample. Main outcome measure Our main outcome was whether a respondent’s household experienced food insecurity in the previous year, using the Hunger Vital Sign screening tool. Statistical analyses performed We weighted responses to account for the sampling design and differential nonresponse between strata. We estimated the prevalence of food insecurity and used logistic regression to model food insecurity as a function of demographic (age, FPL category, gender, employment, education, race, rurality, and Supplemental Nutrition Assistance Program [SNAP] participation) and health-related (self-rated health, s...

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Food Insecurity
Medicaid Expansion Population
Self-rated Health
Supplemental Nutrition Assistance Program
Iowa's Medicaid
Federal Poverty Level
Critical Social Determinant Of Health
Experiencing Food Insecurity
Prevalence Of Household Food Insecurity
Important Social Determinant Of Health

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