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Studies have demonstrated an inverse association between nonalcoholic fatty liver disease (NAFLD) and physical activity (PA). However, the impact on NAFLD by type, intensity, and duration of PA is poorly understood.
To address this issue, investigators conducted a serial, cross-sectional study of 24,588 adults (mean age, 47.4 years) included in the 2007–2016 U.S. National Health and Nutrition Examination Survey. Patients with NAFLD were identified using noninvasive panels. PA was defined, based on 2018 guidelines, as >150 minutes/week of moderate-intensity PA, >75 minutes/week of vigorous-intensity PA, or an equivalent combination of the two. All patients completed a validated questionnaire that assessed occupation-related PA, transportation…