Health Services Research & Development

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Honerlaw JP, Ho YL, Nguyen XT, Cho K, Vassy JL, Gagnon DR, O'Donnell CJ, Gaziano JM, Wilson PWF, Djousse L, VA Million Veteran Program. Fried food consumption and risk of coronary artery disease: The Million Veteran Program. Clinical nutrition (Edinburgh, Scotland). 2019 Jun 5.
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Abstract: INTRODUCTION: Previous studies of the relationship between fried food consumption and coronary artery disease (CAD) have yielded conflicting results. We tested the hypothesis that frequent fried food consumption is associated with a higher risk of incident CAD events in Million Veteran Program (MVP) participants. METHODS: Veterans Health Administration electronic health record data were linked to questionnaires completed at MVP enrollment. Self-reported fried food consumption at baseline was categorized: (<1, 1-3, 4-6 times per week or daily). The outcome of interest was non-fatal myocardial infarction or CAD events. We fitted a Cox regression model adjusting for age, sex, race, education, exercise, smoking and alcohol consumption. RESULTS: Of 154,663 MVP enrollees with survey data, mean age was 64 years and 90% were men. During a mean follow-up of approximately 3 years, there were 6,725 CAD events. There was a positive linear relationship between frequency of fried food consumption and risk of CAD (p for trend 0.0015). Multivariable adjusted hazard ratios (95% CI) were 1.0 (ref), 1.07 (1.01-1.13), 1.08 (1.01-1.16), and 1.14 (1.03-1.27) across consecutive increasing categories of fried food intake. CONCLUSIONS: In a large national cohort of U.S. Veterans, fried food consumption has a positive, dose-dependent association with CAD.