From: The Rivas Cohort Study: design and baseline characteristics of a Nicaraguan cohort
Cohort members sought | 400 |
Cohort members re-contacted | 336 (84 %) |
Agreed to participate in Phase II study | 319 (95 %) |
Refused to participate in Phase II study | 17 (5 %) |
Cohort members not re-contacted | 64 (16 %) |
Died since Phase 1 enrollment | 10 (16 %) |
Moved (changed residence) | 32 (50 %) |
Not at home | 22 (34 %) |