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Vol. 24 - Num. 95

Original Papers

Determinants of preterm birth in Galicia

Andrea Vila Farinasa, Nerea Mourino Castrob, Leonor Varela Lemac, M.ª Isolina Santiago Pérezd, Alberto Malvar Pintosd, Julia Rey Brandarize, Cristina Candal Pedreirae, Mónica Pérez Ríosf

a Área de Medicina Preventiva y Salud Pública. Universidad de Santiago de Compostela. Santiago de Compostela. A Coruña. España.
bÁrea de Medicina preventiva y Salud Pública. Universidad de Santiago de Compostela. Santiago de Compostela. A Coruña. España.
cÁrea de Medicina Preventiva y Salud Pública. Universidad de Santiago de Compostela. Santiago de Compostela. A Coruña. España.
dServicio de Epidemiología. Dirección Xeral de Saúde Pública. Consellería de Sanidade. Xunta de Galicia. Santiago de Compostela. A Coruña. España.
eÁrea de Medicina preventiva y Salud Pública. Universidad de Santiago de Compostela. Santiago de Compostela. A Coruña. España.
fÁrea de Medicina preventiva y Salud Pública. Universidad de Santiago de Compostela. Ciber de Epidemiología y Salud Pública. CIBEResp. A Coruña. España.

Correspondence: L Varela. E-mail: leonor.varela@usc.es

Reference of this article: Vila Farinas A, Mourino Castro N, Varela Lema L, Santiago Pérez MI, Malvar Pintos A, Rey Brandariz J, et al. Determinants of preterm birth in Galicia . Rev Pediatr Aten Primaria. 2022;24:249-59.

Published in Internet: 04-10-2022 - Visits: 2518

Abstract

Introduction: premature infants are at higher risk of complications after birth, and prematurity is the leading cause of death in the neonatal period. The main objective of this study was to characterize preterm births in Galicia, Spain.

Material and methods: in 2016, we carried out a cross-sectional study in Galicia using the Risk Behavior Information System, or SICRI. The study universe consisted of all Galician women aged 18 to 49 years who gave birth between September-2015 and August-2016 (n=18 822) and their liveborn infants (n=19 204). Data were collected between November 2016 and January 2017 through computer-assisted telephone interviews with participants. We estimated the prevalence of preterm birth (before 37 weeks of gestation), overall and based on different variables. We fitted a logistic regression model to identify variables associated with preterm birth.

Results: we obtained information from 6436 women aged 18 to 49 years. The response rate was 76%. In 2016, 7.9% of births in Galicia were preterm. The prevalence increased with age. The highest prevalence was found in women with multiple pregnancies. Obstetric characteristics such as multiple pregnancy and primiparity and risk behaviours were identified as factors that increase the probability of preterm birth. Attendance to childbirth classes and a pregnancy weight gain greater than 12 kg were identified as protective factors.

Conclusions: in Galicia, 8 out of 100 births are preterm. Some of the identified factors that increase the risk of preterm birth are modifiable, and health providers should take them into account in prenatal care.

Keywords

Health education Pregnancy Preterm birth

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