Modifiable Obesogenic Behaviors Among Latino Adolescents With Suspected Non-alcoholic Fatty Liver Disease (NAFLD)
Circulation(2022)
Abstract
Non-alcoholic fatty liver disease (NAFLD) disproportionally affects US children of Latino descent, who also have a higher burden of obesity and type 2 diabetes. We previously found significant associations between diet and sedentary behaviors and weight status, but it is unclear if these measured behaviors are associated with suspected NAFLD among Latino adolescents with obesity, which was the objective of this study. We used cross-sectional data from 10,087 Latino adolescents ages 13-17 years in northern California with a well-child visit in 2016-2019, health behavior assessment, and BMI ≥95th percentile. Adolescents self-reported on 4 daily obesogenic behaviors at the visit: 1) consuming <5 servings of fruits/vegetables; 2) drinking ≥1 juice/soda (12oz); 3) exercising/playing sports for <60 minutes; and 4) >2 hours of screen time. Suspected NAFLD was classified by serum alanine transaminase level ≥44 U/L (girls) and ≥52 U/L (boys). We used logistic regression to examine the associations of obesogenic behaviors with NAFLD, adjusting for age, gender, household language preference (English/Spanish), neighborhood deprivation index (quartiles), and Class 1, 2, and 3 obesity. Among 10,087 Latino adolescents with obesity, 88% (8,877) had ≥1 obesogenic behaviors and 10% (1012) had suspected NAFLD. None of the obesogenic behaviors were associated with NAFLD in unadjusted or adjusted models. Boys (vs girls) had higher odds of NAFLD (OR 2.2; 95% CI: 1.9-2.5), as did older adolescents (ages 16-17 vs 13-15, OR 1.7; 1.5-1.9) and those with more severe obesity (OR 2.2; 1.9-2.5, and OR 3.0; 2.5-3.6 for Class 2 and 3 (vs Class 1) obesity, respectively). In summary, older age, male gender and severe obesity were risk factors for suspected NAFLD while binary assessment of diet and sedentary behaviors were not, suggesting that more precise diet and exercise assessment tools are needed. The high burden of obesogenic behaviors and strong association of severe obesity with NAFLD point to important actionable targets for pediatric primary care.
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Key words
fatty liver,modifiable obesogenic behaviors,latino adolescents,non-alcoholic
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