Table 2 Numbers of participants sent an invitation letter, number for whom the letter was returned to sender, and the numbers of participants referred to a fieldworker for a home visit (the number and percentage in each arm are shown)
Number of participants sent an invitation letter | Opt-in N = 145 | Opt-out N = 139 |
|---|---|---|
Returned to sender | 12 (8 %) | 14 (10 %) |
Opted-in | 3 (2 %) | N/A |
Referred for home visit | 15 (10 %)a | 139 (100 %) |