作者
Maria do Carmo Leal, Ana Paula Esteves-Pereira, Marcos Nakamura-Pereira, Jacqueline Alves Torres, Mariza Theme-Filha, Rosa Maria Soares Madeira Domingues, Marcos Augusto Bastos Dias, Maria Elizabeth Moreira, Silvana Granado Gama
发表日期
2016/10
期刊
Reproductive health
卷号
13
页码范围
163-174
出版商
BioMed Central
简介
Background
The rate of preterm birth has been increasing worldwide, including in Brazil. This constitutes a significant public health challenge because of the higher levels of morbidity and mortality and long-term health effects associated with preterm birth. This study describes and quantifies factors affecting spontaneous and provider-initiated preterm birth in Brazil.
Methods
Data are from the 2011–2012 “Birth in Brazil” study, which used a national population-based sample of 23,940 women. We analyzed the variables following a three-level hierarchical methodology. For each level, we performed non-conditional multiple logistic regression for both spontaneous and provider-initiated preterm birth.
Results
The rate of preterm birth was 11.5 %, (95 % confidence 10.3 % to 12.9 %) 60.7 % spontaneous - with spontaneous …
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