Table 3. Crude and adjusted odds ratio, 95% confidence intervals (95%CI) for variables associated with caesarean funded by public or private health care. Southeastern Brazil, February 2011 to July 2012.
| Funding source | Public | Private | ||||||
|---|---|---|---|---|---|---|---|---|
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| Variable | OR crude | 95%CI | OR adjusted* | 95%CI | OR crude | 95%CI | OR adjusted* | 95%CI |
| Maternal age (years) | ||||||||
| 12–19 | 0.61 | 0.55–0.69 | 0.63 | 0.54–0.73 | 0.28 | 0.19–0.42 | 0.39 | 0.23–0.66 |
| 20–34 | 1.00 | - | 1.00 | - | 1.00 | - | Ref. | - |
| 35 or more | 1.34 | 1.14–1.57 | 1.44 | 1.16–1.77 | 1.45 | 1.03–2.04 | 1.54 | 1.00–2.37 |
| Skin colour | ||||||||
| Indigenous | 1.00 | - | 1.00 | - | 1.00 | - | 1.00 | - |
| Black | 1.70 | 0.73–3.97 | 2.53 | 0.94–6.80 | 2.70 | 0.42–17.27 | 4.34 | 0.52–34.84 |
| Brown | 1.50 | 0.65–3.48 | 1.84 | 0.69–4.90 | 2.03 | 0.34–12.03 | 3.56 | 0.47–26.81 |
| Oriental | 1.51 | 0.59–3.89 | 1.63 | 0.54–4.93 | 2.38 | 0.32–17.66 | 2.46 | 0.26–23.43 |
| White | 2.20 | 0.87–4.69 | 2.37 | 0.89–6.31 | 4.03 | 0.68–23.90 | 4.76 | 0.63–35.71 |
| Education | ||||||||
| Elementary school | 1.00 | - | 1.00 | - | 1.00 | - | 1.00 | - |
| High school | 1.36 | 1.24–1.49 | 0.96 | 0.849–1.092 | 2.33 | 1.75–3.11 | 0.94 | 0.63–1.40 |
| College or more | 3.23 | 2.41–4.31 | 1.63 | 1.15–2.31 | 3.82 | 2.68–5.46 | 0.90 | 0.53–1.52 |
| Marital status | ||||||||
| With partner | 1.00 | - | 1.00 | - | 1.00 | - | 1.00 | - |
| No partner | 0.76 | 0.68–0.84 | 0.81 | 0.71–0.92 | 0.92 | 0.68–1.37 | 0.98 | 0.64–1.50 |
| Paid work | ||||||||
| No | 1.00 | - | 1.00 | - | 1.00 | - | 1.00 | - |
| Yes | 1.37 | 1.25–1.51 | 1.32 | 1.17–1.49 | 3.18 | 2.51–4.03 | 2.70 | 1.99–3.66 |
| Economic class | ||||||||
| A or B | 1.78 | 1.52–2.06 | 1.52 | 1.25–1.85 | 2.80 | 1.44–5.45 | 2.11 | 0.94–4.75 |
| C | 1.41 | 1.25–1.60 | 1.36 | 1.17–1.58 | 1.63 | 0.84–3.19 | 2.12 | 0.94–4.75 |
| D or E | 1.00 | - | 1.00 | - | 1.00 | - | 1.00 | - |
| Hospital location | ||||||||
| Capital | 0.57 | 0.52–0.63 | 0.49 | 0.44–0.56 | 0.52 | 0.41–0.65 | 0.49 | 0.37–0.65 |
| Regional | 1.00 | - | 1.00 | - | 1.00 | - | 1.00 | - |
| Previous cesarian section | ||||||||
| No | 1.00 | - | 1.00 | - | 1.00 | - | 1.00. | - |
| Yes | 21.13 | 17.97–24.85 | 22.46 | 18.94–26.64 | 59.78 | 32.28–110.71 | 58.22 | 30.78–110.13 |
| Primiparae | 3.98 | 3.53–4.50 | 4.74 | 4.11–5.47 | 8.07 | 6.16–10.57 | 8.64 | 6.20–12.02 |
| Antenatal complications | ||||||||
| No | 1.00 | - | 1.00 | - | 1.00 | - | 1.00 | - |
| Yes | 1.76 | 1.61–1.93 | 1.60 | 1.43–1.78 | 1.45 | 1.15–1.87 | 1.39 | 1.03–1.87 |
| Labour complications | ||||||||
| No | 0.60 | 0.54–0.67 | 0.58 | 0.51–0.66 | 1.00 | 0.77–1.28 | 0.88 | 0.65–1.20 |
| Yes | 1.86 | 1.65–2.11 | 1.99 | 1.72–2.30 | 2.69 | 1.76–4.13 | 3.56 | 2.16–5.93 |
| No labour | 1.00 | - | 1.00 | - | 1.00 | - | 1.00 | - |
Values with statistical significance are shown in bold.
* Models adjusted for all variables presented in this table.