Statistical analyses
REGRESSION
RStudio (version 2021.09.1 Build 372) was used to analyze the data. Multiple linear regression was performed to evaluate the effects of the intervention group on the outcomes, while controlling for the outcome measures at the end of the baseline period, as well as the COVID-19 period, which occurred for 42% of participants. Additional covariates tested included sex, age, BMI, household size, number of days between measurements, annual household income, designated store, shopping percentage from designated store, race, and ethnicity. These additional variables did not have a significant effect on the dependent variables and did not change the significance of the independent variable—the intervention group, and thus were not included in the final model. We also separately analyzed the impact of the COVID-19 period. Adjusted means ± SE are shown. Two tailed 