TABLE 6.
Costs of TB contact tracing models
| Intervention | Components* | Cost/screen US$ |
Cost/TB diagnosis† US$ |
| Standard hospital intervention | |||
| Initial visit | 5 min for TB nurse to complete register; print register; 30 min HTC | 1.50 | 49.50 |
| Screen after letter | 5 min for TB nurse time to complete register; print letter; 30 min HTC | 1.50 | 49.50 |
| Enhanced Model 1 | |||
| Phone call reminder | 30 s nurse time to inform motorcycle adherence officer; print register; phone call; 5 min to inform motorcycle adherence officer for phone call | 0.60 | — |
| Phone call reminder | 30 s nurse time to inform motorcycle adherence officer; phone call; 5 minutes to inform motorcycle adherence officer for phone call | 0.40 | — |
| Home visit | Half day motorcycle adherence officer; half day motorbike cost | 8.97 | — |
| Enhanced Model 2 | |||
| Phone call to screening | 30 s nurse time to inform motorcycle adherence officer; print register; phone call; 5 min motorcycle adherence officer for phone call | 0.60 | — |
| Home visit | Half day motorcycle adherence officer; half day motorbike cost | 8.97 | — |
| Enhanced Model 3 | |||
| Home visit | Half day motorcycle adherence officer; half day motorbike cost | 8.97 | — |
*
TB nurse salary US$16 330 per annum; HTC US$2667 per annum; motorcycle adherence officer US$3273 per annum; printing US$0.20 per double sided page; phone call US$0.20; motorbike cost per annum US$1293. US$1.00 = 9.9 SZL, as of July 2013.
†
Assuming 3% of those screened using the standard hospital intervention are diagnosed with TB; 0% of patients with phone call reminder or visits by the motorcycle adherence officer are diagnosed with TB.
TB = tuberculosis; HTC = human immunodeficiency virus testing and counselling; SZL = Swaziland lilangeni.