biostudies-literatureMiller SUniversity of Southern California Keck School of MedicineUniversity of South CarolinaUniversity of Southern CaliforniaBill and Melinda Gates FoundationNational Institute on Aging105586https://www.ebi.ac.uk/biostudies/studies/S-EPMC9756093biostudies-literatureUnknown166Poor diets are historically the leading cause of morbidity and mortality in the United States (U.S.), causing over 44,000 deaths each month. Dietary patterns have likely changed during the COVID-19 pandemic due to major shifts and crises in social, economic, and food systems. This study examines self-reported dietary changes in Los Angeles (L.A.) County during COVID-19, and identifies factors associated with making healthy and unhealthy changes. Data are from the Understanding Coronavirus in America Study, an internet panel of adults representative of L.A. County households (N = 1080). Multinomial logistic regression was used to test if self-reported change in diet healthiness assessed in July 2020 was associated with socio-ecological factors known to be associated with diet, assessed betwAppetiteSelf-reported dietary changes among Los Angeles County adults during the COVID-19 pandemic.PMC9756093U01AG054580Livings MWeber KBruine de Bruin WFrazzini AMiller SWilson JBabboni Mde la Haye KfalseSelf-reported dietary changes among Los Angeles County adults during the COVID-19 pandemic.Poor diets are historically the leading cause of morbidity and mortality in the United States (U.S.), causing over 44,000 deaths each month. Dietary patterns have likely changed during the COVID-19 pandemic due to major shifts and crises in social, economic, and food systems. This study examines self-reported dietary changes in Los Angeles (L.A.) County during COVID-19, and identifies factors associated with making healthy and unhealthy changes. Data are from the Understanding Coronavirus in America Study, an internet panel of adults representative of L.A. County households (N = 1080). Multinomial logistic regression was used to test if self-reported change in diet healthiness assessed in July 2020 was associated with socio-ecological factors known to be associated with diet, assessed betw2021-01-01T00:00:00Z2021 Nov2025-04-22T01:47:24.691Z2025-04-05T20:07:39.969ZS-EPMC97560933421776110.1016/j.appet.2021.105586