Predictor | Crude OR | Adjusted OR | Adjusted OR 95% Wald confidence limits | |
SMS vs control | 3.31 | 3.04 | 1.49 | 6.21 |
SMS + eVoucher vs control | 4.96 | 4.67 | 2.93 | 7.44 |
SMS + eVoucher vs SMS | 1.50 | 1.53 | 1.11 | 2.19 |
The adjusted OR was adjusted for age, stratification and clustering.
SMS, short message service; eVoucher, electronic voucher.