Identifying mothers' intention to place infant in supine sleep position: a population-based study.

This study aimed to identify mother's opinion on infant sleep position and the factors associated with the intention to place the infant in the supine position in the municipality of Rio Grande, Southern Brazil. A standardized questionnaire was applied to all mothers residing in this municipality who gave birth to a child in the only two local maternity wards from January 1 to December 31, 2010. Chi-square test was used to compare proportions, along with a Poisson regression with robust adjustment in the multivariate analysis.