Table 3 Comparison of TB case finding performance of four models of community worker referral
From: Community referral for presumptive TB in Nigeria: a comparison of four models of active case finding
Variable | Direct dealing with CWs model (N = 15) | Supervision without quotas model (N = 60) | Comprehensive quotas oriented model (N = 25) | Unsupervised volunteer model (N = 24) | Total (N = 124) |
|---|---|---|---|---|---|
Annual compensation per CW | $40 | $160 | $320 | ≈$80 |  |
 Referred clients tested for TB | |||||
  Total TB investigations (passive + active) | 211 | 2062 | 5113 | 1436 | 8822 |
  presumptive TB clients referred by the CWs | 48 | 498 | 1063 | 56 | 1665 |
  Proportion of TB investigation due to CW referral | 22.7 % | 24.2 % | 20.8 % | 3.9 % | 18.9 % |
  Average presumptive TB clients referred per CW (year) | 3.2 | 8.3 | 42.5 | 2.3 | 13.4 |
  Average CW compensation per referral (year) | $13 | $19 | $8 | $34 |  |
  Average CW referrals needed to detect 1 TB case | 6 | 3.3 | 6 | 3.1 | 4.7 |
 TB patients diagnosed | |||||
  Total TB patients detected (actively and passively) in LGAs | 70 | 654 | 1145 | 413 | 2282 |
  TB cases from CWs referrals (yr) | 8 | 150 | 177 | 18 | 353 |
  Proportion of the total TB patients contributed by CWs | 11.4 % | 22.9 % | 15.5 % | 4.4 % | 15.5 % |
  CW compensation per TB patient diagnosed | $75 | $64 | $45 | $107 |  |
  Mean number of TB patients contributed per CW (per year) | 0.53 | 2.5 | 7.1 | 0.75 | 2.8 |