Table 2 Text messaging schedule
| Time point | SMS reminder ID | ||
|---|---|---|---|
| Arm 1 | Arm 2 | Arm 3 | |
| Week 1 | 1 | 1 | 1 |
| Month 1 | 2–1 | 2–2 | 2–3 |
| Month 2 | 3–1 | 3–2 | 3–3 |
| Month 4 | 2–1 | 2–2 | 2–3 |
| Month 5 | 3–1 | 3–2 | 3–3 |
| Day 21 of each month where no step activity is recorded | 4 | 4 | 4 |
| Time point | SMS reminder ID | ||
|---|---|---|---|
| Arm 1 | Arm 2 | Arm 3 | |
| Week 1 | 1 | 1 | 1 |
| Month 1 | 2–1 | 2–2 | 2–3 |
| Month 2 | 3–1 | 3–2 | 3–3 |
| Month 4 | 2–1 | 2–2 | 2–3 |
| Month 5 | 3–1 | 3–2 | 3–3 |
| Day 21 of each month where no step activity is recorded | 4 | 4 | 4 |
Trials