Table 2.
Crude estimates of the costs for each surveillance method per night of trapping and per An. gambiae s.l . caught over the selected period outlined in Figure 2 when all three surveillance systems were simultaneous in operation
| Estimated Parameter | Units |
Community-based |
Quality assured |
|
|---|---|---|---|---|
| CB-ITT | QA-ITT | QA-HLC | ||
| Number of samples |
Person-nights |
4284 |
457 |
335 |
| Number caught |
No. of An. gambiae s.l |
171 |
42 |
169 |
| Mean catch |
No. of An. gambiae s.l per person-night |
0.04 |
0.09 |
0.50 |
| Volunteer costs |
TSh |
14,994,000 |
1,828,000 |
2,680,000 |
| Salary costs |
TSh |
10,589,820 |
13,793,820 |
24,413,820 |
| Transport costs |
TSh |
3,100,000 |
20,340,000 |
20,340,000 |
| Total Expenditure |
TSh |
28,683,820 |
35,961,820 |
47,433,820 |
| Cost per sample |
TSh per night of sampling |
6,695.57 |
78,691.07 |
141,593.49 |
| Costs per specimen of An. gambiae s.l. | TSh per An. gambiae s.l | 167,741.64 | 856,233.81 | 280,673.49 |
All costs are presented in Tanzanian Shillings (TShs). The corresponding estimates of the expeditures in US dollars can be computed at a mean 2010 exchange rate of 1408.02 TShs per US$.