Table 1 Assumptions about number of participants, response rates, and panel attrition
Information Event | Allocation/Pre-Test | Post-Test | 6-months follow-up | |
---|---|---|---|---|
-t1 | t0 | t1 | t2 | |
Response rate (per cent) | 60% | 80% | 75% | |
Intervention group (n) | 2500 | 750 | 600 | 450 |
Waiting control group (n) | 750 | 600 | 450 | |
Total (n) | 2500 | 1500 | 1200 | 900 |