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