Predictor | Crude OR | Adjusted OR | Adjusted OR 95% Wald confidence limits | |
SMS vs control | 2.59 | 2.12 | 1.16 | 3.86 |
SMS + eVoucher vs control | 4.48 | 3.42 | 2.63 | 4.44 |
SMS + eVoucher vs SMS | 1.73 | 1.61 | 1.03 | 2.54 |
The adjusted OR was adjusted for clustering.
SMS, short message service; eVoucher, electronic voucher.