Cohort Profile Update: 2004 Pelotas (Brazil) Birth Cohort Study follow-up during adolescent years
Luciana Tovo‐Rodrigues, Iná S. Santos, Isabel Oliveira Bierhals, Bianca Del‐Ponte, Joseph Murray, Renata Moraes Bielemann, Tiago N. Munhoz, Inácio Crochemore‐Silva, Isabel Oliveira, Fernando C. Barros, Aluísio J. D. Barros, Alícia Matijasevich
Abstract
In this update we describe the assessments at 11 years (in 2015), and 15 years (in 2019-20) and a reassessment of the participants seen at the 15-year follow-up, during the COVID-19 pandemic (in 2021), when they turned 17 years old (COVID-19 impact study).As adolescence is a critical period for mental and physical health, additional questions were included in the subsequent waves of data collection.These follow-up visits had a special focus on various aspects of mental health and their potential determinants.Additionally, at age 15 years and during the COVID-19 Key Features• The 2004 Pelotas Birth Cohort is a population-based study in the city of Pelotas, Brazil.The 4231 participants included at birth were assessed at 3, 12, 24 and 48 months, and at 6, 11, 15 and 17 years of age.• Here we present information on the 11-year and 15-year follow-ups and the COVID-19 impact study at the 17-year follow-up.• Data collected included: measures of mental health; risk factors for non-communicable diseases; clinical conditions; human capital; violence; and the impact of the COVID-19 pandemic.We assessed maternal cognition and mental health.• We assessed 86.6% (N ¼ 3566) of the baseline cohort at the 11-year follow-up.Due to the COVID-19 pandemic, the 15-year follow-up was halted when we had assessed 1949 individuals (48.5% of the cohort).Those seen at age 15 years were reassessed at the 17-year follow-up with the COVID-19 impact study (n ¼ 1826).