Table 4.
Stepwise regression of the effects of selected characteristics on c-section: Overall cases
| Most influential variables among selected variables | Odds ratio [Exp (β) ] | 95% CI |
|---|---|---|
| Prolonged labour | ||
| (No) | 1.000 | |
| Yes | 0.174* | 0.125-0.238 |
| Previous C-Section | ||
| (No) | 1.000 | |
| Yes | 20.537* | 10.235-24.923 |
| Mother's Education | ||
| (Primary and below) | 1.000 | |
| Secondary | 2.047* | 1.492-3.012 |
| Higher | 2.502* | 1.489-4.312 |
| Mother's Age: years | ||
| (<20) | 1.000 | |
| 20-24 | 1.358 | 0.826-1.826 |
| 25-29 | 2.856* | 1.428-4.123 |
| 30+ | 5.766* | 2.121-12.411 |
| Order of Birth | ||
| (1) | 1.000 | |
| 2 | 0.703** | 0.481-1.005 |
| 3+ | 0.316* | 0.123-0.586 |
| Duration of Taking Balance Diet | ||
| (Often) | 1.000 | |
| Once a week | 1.501* | 1.101-2.521 |
| Rarely | 1.874** | 1.321-2.856 |
| Length of Baby's: cm | ||
| (<45) | 1.000 | |
| 45+ | 1.467** | 1.112-2.243 |
| Constant | 0.664** | 0.235-1.578 |
*p<0.01;**p<0.05, significant risk factors in the model; CI= Confidence interval; parentheses indicate the reference categories