Predicting Food Insecurity in a Pediatric Population Using the Electronic Health Record
Open accessAbstract
Introduction: More than 5 million children in the United States experience food insecurity (FI), yet little guidance exists regarding screening for FI. A prediction model of FI could be useful for healthcare systems and practices working to identify and address children with FI. Our objective was to predict FI using demographic, geographic, medical, and historic unmet health-related social needs data available within most electronic health records. Methods: This was a retrospective longitudinal cohort study of children evaluated in an academic pediatric primary care clinic and screened at least once for FI between January 2017 and August 2021. American Community Survey Data provided additional insight into neighborhood-level information such as home ownership and poverty level. Household FI was screened using two validated questions. Various combinations of predictor variables and modeling approaches, including logistic regression, random forest, and gradient-boosted machine, were used to build and validate prediction models. Results: A total of 25,214 encounters from 8521 unique patients were included, with FI present in 3820 (15%) encounters. Logistic regression with a 12-month look-back using census block group neighborhood variables showed the best performance in the test set (C-statistic 0.70, positive predictive value 0.92), had superior C-statistics to both random forest (0.65, p < 0.01) and gradient boosted machine (0.68, p = 0.01), and showed the best calibration. Results were nearly unchanged when coding missing data as a category. Conclusions: Although our models could predict FI, further work is needed to develop a more robust prediction model for pediatric FI.
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Census block-level data with 12-month lookback yielded best performance for predicting food insecurity in a pediatric population.
“Census block‐level data with 12‐month lookback yielded best performance; among first pediatric studies using ML to predict food insecurity; further refinement needed for populations with infrequent care”
Rigdon et al. [31] supplemented EHR data with American Community Survey neighborhood data at the census block level.
“Rigdon et al. [31] supplemented EHR data with American Community Survey neighborhood data at the census block level.”
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- Authors
- Rigdon, J., Montez, K., Palakshappa, D., Brown, C., Downs, S. M., Albertini, L. W., & Taxter, A.
- Affiliations
- Wake Forest University Health Sciences (US)
- Nationwide Children's Hospital (US)
- Corresponding author
- Taxter, Alysha
- ORCID
- Venue
- Journal of Clinical and Translational Science
- Publisher
- Cambridge University Press (CUP)
- Published
- 2024
- Volume
- 8
- Issue
- 1
- Pages
- e195-e195
- ISSN
- 2059-8661 (ISSN-L)
- PMC
- PMC11626594
- OpenAlex
- W4403840513
- Cited by
- 3
- References
- 13
- Citations by year
- 2026: 2 · 2025: 1
- FWCI
- 1.76
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Locations
- Journal of Clinical and Translational Science (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- National Institutes of Health (UL1TR001420)
- National Heart, Lung, and Blood Institute (K23HL146902)
- National Center for Advancing Translational Sciences
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (K23HD099249)
- Topics
- Health Sciences › Health Professions › General Health Professions › Food Security and Health in Diverse Populations
- Health Sciences › Health Professions › General Health Professions › Child and Adolescent Health
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Obesity, Physical Activity, Diet
- Keywords
- food insecurity, children, prediction model, electronic health records, social determinants of health, neighborhood poverty, pediatric primary care, missing data
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