The COVID-19 Pandemic and changes in adult Brazilian lifestyles: a cross-sectional study, 2020.

Objective: To describe lifestyle changes with regard to consumption of tobacco and alcohol, food intake and physical activity, in the period of social restriction resulting from the COVID-19 pandemic.

Methods: This is a cross-sectional study conducted in Brazil with data from the ConVid online health behavior survey. The data were collected via an online questionnaire answered by the survey participants. Post-stratification procedures were used to calculate prevalence rates and 95% confidence intervals.

Results: 45,161 individuals aged 18 years or more participated. During the period of social restriction participants reported a decrease in practicing physical activity and an increase in time spent using computers or tablets or watching TV, intake of ultra-processed foods, number of cigarettes smoked and alcoholic beverage consumption. Differences were observed according to sex and age group.

Conclusions: The results indicate a worsening of lifestyles and an increase in health risk behaviors.