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. Author manuscript; available in PMC: 2015 Jun 1.
Published in final edited form as: Birth. 2014 Mar 31;41(2):169–177. doi: 10.1111/birt.12106

Table 4.

Logistic Regression Odds Ratio (OR) and 95 Percent Confidence Interval (95% CI) Estimates Predicting Cesarean Section Delivery for Women Delivering First Births During the Year Before Survey, Brazil, 2008

2008
Model 1
Model 2 (includes payment source/type of hospital)
Variables OR 95% CI OR 95% CI
Age
15-19 1.00 1.00
20-24 1.19 0.90-1.56 1.20 0.91-1.59
25-29 1.74** 1.26-2.41 1.50** 1.07-2.10
30-49 2.64** 1.83-3.81 2.19** 1.50-3.2
Years of schooling
0-3 1.00 1.00
4-7 0.81 0.47-1.40 0.82 0.47-1.41
8-10 0.82 0.48-1.40 0.72 0.42-1.24
11 1.33 0.78-2.26 0.94 0.55-1.62
12+ 2.56* 1.41 -4.60 0.97 0.52-1.81
Region of residence
North 1.46* 1.07-2.00 1.39* 1.00-1.93
Northeast 1.00 1.00
Southeast 1.45* 1.11 -1.90 1.17 0.88-1.54
South 1.65* 1.17-2.32 1.35 0.95-1.93
Central West 1.73* 1.22-2.47 1.48* 1.03-2.14
Payment source/type of hospital
SUS/public 1.00
SUS/private 1.68 0.87-3.27
Non-SUS/public 3.52** 1.82-6.81
Non-SUS/private 6.10** 4.40-8.48
Number of observations 1,685 1,685
*

Significant at p ≤ 0.05

**

Significant at p ≤ 0.01

SUS is the Brazilian governmentally funded health system (“Sistema Único de Saúde”). Source: 2008 Brazilian household survey (PNAD).