Background Ultra-processed food (UPF) consumption is linked to adverse health outcomes, including cardiovascular disease and all-cause mortality. Asian Americans (AAs) are the fastest growing ethnic group in the United States (US), yet their dietary patterns have seldom been described. Objectives To characterize UPF consumption among AAs and determine whether acculturation is associated with increased UPF consumption. Design The National Health and Nutrition Examination Survey (NHANES) is an annual, cross-sectional survey representative of the US population. We examined 2011–2018 NHANES data which included 2404 AAs ≥ 18 years old with valid 24-hour dietary recall. Using day 1 dietary recall data, we characterized UPF consumption as the percentage of caloric intake from UPFs, using the NOVA classification system. Acculturation was characterized by nativity status, nativity status and years in the US combined, home language, and an acculturation index. We assessed the association between acculturation and UPF consumption using linear regression analyses adjusted for age, sex, marital status, education, income, self-reported health, and self-reported diet quality. Results UPFs provided on average 39.3% (95% CI: 38.1–40.5) of total energy intake among AAs. In adjusted regression analyses, UPF consumption was 14% (95% CI: 9.5–17.5; P < 0.05) greater among those with the highest vs. lowest acculturation index score, 12% (95% CI: 8.5–14.7: P < 0.05) greater among those who speak English only vs. non-English only in the home, 12% (95% CI: 8.6–14.7: P < 0.05) greater among US-born vs. foreign-born AAs, and 15% (95% CI: 10.7–18.3: P < 0.05) greater among US-born vs. foreign-born AAs with less than ten years in the US. Conclusions UPF consumption was common among AAs, and acculturation was strongly associated with greater proportional UPF intake. As the US-born AA population continues to grow, UPF consumption in this group is likely to increase. Further research on disaggregated AA subgroups is warranted to inform culturally tailored dietary interventions.
Introduction: Ultra-processed food (UPF) consumption is linked to adverse health outcomes, including cardiovascular disease and all-cause mortality. Asian Americans (AAs) are the fastest growing ethnic group in the United States (US), yet their dietary patterns have seldom been described. Objectives: To characterize UPF consumption among AAs and determine whether acculturation is associated with increased UPF consumption. Methods: The National Health and Nutrition Examination Survey (NHANES) is an annual, cross-sectional survey representative of the US population. We examined NHANES dietary data, combining years in which AAs were over-sampled (2011-2018). We included 2,404 AAs ≥ 18 years old with valid 24-hour dietary recall data. Using day 1 dietary recalls, we characterized UPF consumption as the percentage of caloric intake from UPFs, using the NOVA classification system. This framework classifies foods from any culture based on degree of industrial processing. Acculturation was characterized by nativity, nativity/years in the US, home language, and an acculturation index (based on a sum of levels related to nativity/years in the US and home language). We assessed the relationship between each acculturation measure and UPF consumption using linear regression analyses adjusted for age, sex, marital status, education, income, self-reported health, and self-reported diet quality. All analyses accounted for the complex survey design. Results: Among all AAs, the percentage of caloric intake attributable to UPFs was 39.3% (95% CI: 38.1-40.5). In adjusted regression analyses, UPF consumption was 14% (95% CI: 9.5-17.5; p<0.05) greater among those with the highest vs. lowest acculturation index score, 12% (95% CI: 8.5-14.7: p<0.05) greater among those who speak English only vs. non-English only in the home, 12% (95% CI: 8.6-14.7: p<0.05) greater among US-born vs. foreign-born AAs, and 15% (95% CI: 10.7-18.3: p<0.05) greater among US-born vs. foreign-born AAs with less than ten years in the US. Conclusions: Among AAs, UPF consumption was common, and acculturation was strongly associated with greater proportional UPF intake. As the US-born AA population continues to grow, UPF consumption in this group is likely to increase. Further research is necessary to characterize trends in dietary patterns across disaggregated AA subgroups to better inform culturally tailored dietary interventions.
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