Prevalence and associated factors of mother-reported jaundice in newborns.

Objective: Newborns' jaundice is the result of bilirubin accumulation as fetal hemoglobin is metabolized by the immature liver. This study aimed to estimate the prevalence of mother-reported newborn jaundice and associated factors.

Methods: A cross-sectional study was carried out using data from a longitudinal study involving 914 children.

Prevalence of current smoking and associated factors in older adults in Brazil.

Objective: The aim of this study was to estimate the prevalence of current smoking and its associated factors in adults aged 50 years and older in Brazil.

Methods: This cross-sectional study utilized data from the ELSI-Brazil study, encompassing 9,412 adults aged 50 years or over. A multivariate model using Poisson regression with a robust estimator was employed, estimating prevalence ratios and their 95% confidence intervals.