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Cesarean sections in Piauí State: trend and associated factors in the period 2000-2011, Brazil

Abstract

OBJECTIVE:

to analyze trends in cesarean sections proportion and associated factors in Piauí State, Brazil, from 2000 to 2011.

METHODS:

this is a time series and cross-sectional study, with data of all institutional childbirths in primiparous, recorded on the Information System on Live Births (Sinasc).

RESULTS:

cesarean sections proportion increased from 34.4% in 2000 to 52.1% in 2011 (annual percentage change +4.4; 95%CI 3.6;5.1); white-skinned women (PR=1.72; 95%CI 1.63;1.86), over 40 years (PR=2.17; 95%CI 2.09;2.28), with more than 12 years of schooling (PR=1.86; 95%CI 1.77;1.96), who attended 7 or more prenatal care appointments (PR=2.08; 95%CI 1.97;2.18), residents in municipalities with over 300,000 inhabitants (PR=1.68; 95%CI 1.62;1.80) and with higher Human Development Index (PR=1.61; 95%CI 1.51;1.73) presented the highest cesarean sections proportion.

CONCLUSIONS:

the occurrence of cesarean sections was high and more frequent in women with low obstetric risk.

Key words:
Cesarean Section; Trends; Risk Factors; Health Inequalities; Time Series Studies; Cross-Sectional Studies

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