{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T16:12:57Z","timestamp":1790957577836,"version":"4.1.0"},"reference-count":40,"publisher":"American Medical Association (AMA)","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JAMA Netw Open"],"abstract":"Importance<\/jats:title>Nonadherence to antihypertensive medications is associated with uncontrolled blood pressure, higher mortality rates, and increased health care costs, and food insecurity is one of the modifiable medication nonadherence risk factors. The Supplemental Nutrition Assistance Program (SNAP), a social intervention program for addressing food insecurity, may help improve adherence to antihypertensive medications.<\/jats:p><\/jats:sec>Objective<\/jats:title>To evaluate whether receipt of SNAP benefits can modify the consequences of food insecurity on nonadherence to antihypertensive medications.<\/jats:p><\/jats:sec>Design, Setting, and Participants<\/jats:title>A retrospective cohort study design was used to assemble a cohort of antihypertensive medication users from the linked Medical Expenditure Panel Survey (MEPS)\u2013National Health Interview Survey (NHIS) dataset for 2016 to 2017. The MEPS is a national longitudinal survey on verified self-reported prescribed medication use and health care access measures, and the NHIS is an annual cross-sectional survey of US households that collects comprehensive health information, health behavior, and sociodemographic data, including receipt of SNAP benefits. Receipt of SNAP benefits in the past 12 months and food insecurity status in the past 30 days were assessed through standard questionnaires during the study period. Data analysis was performed from March to December 2021.<\/jats:p><\/jats:sec>Exposure<\/jats:title>Status of SNAP benefit receipt.<\/jats:p><\/jats:sec>Main Outcomes and Measures<\/jats:title>The main outcome, nonadherence to antihypertensive medication refill adherence (MRA), was defined using the MEPS data as the total days\u2019 supply divided by 365 days for each antihypertensive medication class. Patients were considered nonadherent if their overall MRA was less than 80%. Food insecurity status in the 30 days prior to the survey was modeled as the effect modifier. Inverse probability of treatment (IPT) weighting was used to control for measured confounding effects of baseline covariates. A probit model was used, weighted by the product of the computed IPT weights and MEPS weights, to estimate the population average treatment effects (PATEs) of SNAP benefit receipt on nonadherence. A stratified analysis approach was used to assess for potential effect modification by food insecurity status.<\/jats:p><\/jats:sec>Results<\/jats:title>This analysis involved 6692 antihypertensive medication users, of whom 1203 (12.8%) reported receiving SNAP benefits and 1338 (14.8%) were considered as food insecure. The mean (SD) age was 63.0 (13.3) years; 3632 (51.3%) of the participants were women and 3060 (45.7%) were men. Although SNAP was not associated with nonadherence to antihypertensive medications in the overall population, it was associated with a 13.6\u2013percentage point reduction in nonadherence (PATE, \u221213.6 [95% CI, \u221225.0 to \u22122.3]) among the food-insecure subgroup but not among their food-secure counterparts.<\/jats:p><\/jats:sec>Conclusions and Relevance<\/jats:title>This analysis of a national observational dataset suggests that patients with hypertension who receive SNAP benefits may be less likely to become nonadherent to antihypertensive medication, especially if they are experiencing food insecurity. Further examination of the role of SNAP as a potential intervention for preventing nonadherence to antihypertensive medications through prospectively designed interventional studies or natural experiment study designs is needed.<\/jats:p><\/jats:sec>","DOI":"10.1001\/jamanetworkopen.2023.56619","type":"journal-article","created":{"date-parts":[[2024,2,23]],"date-time":"2024-02-23T16:30:59Z","timestamp":1708705859000},"page":"e2356619","source":"Crossref","is-referenced-by-count":8,"title":["Supplemental Nutrition Assistance Program and Adherence to Antihypertensive Medications"],"prefix":"10.1001","volume":"7","author":[{"given":"Md. 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