Primary outcome | Percentage (N) | SMS | SMS | |
---|---|---|---|---|
 | Received SMS (n = 174) | SMS not sent (n = 206) | SMS risk ratio (95% CI) | Risk difference (95% CI) |
1 Followed treatment advice | 81.6% (142) | 65.5% (135) | 2.33 (1.62–3.36) | 16.1% (8.89%–23.2%) |
2 Followed treatment advice* |  |  | 1.84 (1.19–2.85) | 11.3% (3.76%–18.9%) |
3 Followed treatment advice** |  |  | 2.34 (1.46–3.74) | 15.5% (7.86%–23.2%) |
4 Followed treatment advice*** |  |  | 1.68 (1.08–2.61) | 9.68% (1.84%–17.5%) |