Incidence of prematurity and associated risk factors among users of a health insurance company

Abstract Objectives: to analyze the incidence ofprematurity in users of a health insurance plan; to analyze the associated risk factors. Methods: a retrospective study was conducted in five maternity hospitals with puerperal women who were users of health insurance plans by telephone interviews guided by a semi-structured questionnaire. The variables studied were related to sociodemographic, clinical and outcome conditions. Univariate and multivariate analysis with Backward logistic regression was performed. Results: 1,193 participants were evaluated and 116 premature births were identified. It was found that preterm birth (p