Table 2.
Binary logistic regression analysis to assess the independent effect of the intervention group (experimental vs. control) and the area of residence (rural vs. urban) on the data of Table 1.
| Parameter | 2013 |
2014 |
2015 |
|||
|---|---|---|---|---|---|---|
| OR | 95% CI | OR | 95% CI | OR | 95% CI | |
| Group (Experimental) | 0.92 | 0.65–1.31 | 1.36 | 1.01–1.83⁎ | 2.44 | 1.81–3.28⁎ |
| Area (rural) | 2.33 | 1.61–3.36⁎ | 2.87 | 2.12–3.88⁎ | 4.61 | 3.43–6.20⁎ |
OR, odds-ratio; CI, confidence interval. Asterisks indicate a statistically significant effect, as the 95% CI did not contain unity.