From: Validity of parental recalls to estimate vaccination coverage: evidence from Tanzania
Agreement of sources | Vaccination status (Card-based source) | |||
---|---|---|---|---|
YES | NO | |||
Vaccination status (Recall-based source) | YES | True positives (TP) | False positives (FP) | TP + FP |
NO | False negatives (FN) | True negatives (TN) | FN + TN | |
TP + FN | FP + TN | Total (N) |