Noncommunicable diseases and changes in lifestyles during the COVID-19 pandemic in Brazil.

Objective: To compare lifestyle changes during the COVID-19 pandemic according to the presence or absence of noncommunicable diseases (NCDs) in Brazilian adults.

Methods: Cross-sectional study, using data from the ConVid survey, between April and May 2020. The following variables were evaluated: lifestyle and presence of one or more NCDs (diabetes, hypertension, respiratory disease, heart disease, and cancer).

The World Health Survey: a report on the field experience in Brazil.

This article reports on the field experience with the World Health Survey in Brazil with the aim of collaborating in the development and enhancement of the methodology and analyzing interview questions based on the interviewers' experience. The authors comment on the field experience and application of the questionnaire, based on reports by regional coordinators and interviewers, in order to shed light on the context in which the interviews took place. The article reports on how the respondents grasped and interpreted the questionnaire.