Table 1 Base case and sensitivity analysis values and sources
From: Cost and cost effectiveness of long-lasting insecticide-treated bed nets - a model-based analysis
Variable | Base case | Sensitivity analysis | Sources |
|---|---|---|---|
Protective effectiveness of ITNs | 5.5 all-cause deaths are prevented per 1000 under-5 s protected every year | - (estimate only relevant if usage is high) | [35] |
Coverage: number of nets relative to population size | 1 million nets distributed to 4 million people, 20% aged under 5 | - | - |
Usage rate in first year after bed net distribution | 50% overall 70% under-5 s | 30% overall and 50% under-5 s; 30% both overall and under-5 s | See Methods - Programme effect |
ITN purchase price | USD 4 | USD 3 - USD 7 (LLINs) USD 1 - USD 5 (conventional nets) | [4] |
Bed net lifespan | 3 years | 3 - 5 years (LLINs) 1-4 years (conventional nets) | |
Delivery cost and method | USD 1.4 per net Large-scale free integrated distribution | USD 3.86 per net Subsidised sales and social marketing | See Table 2 |
Insecticide retreatment (conventional nets only) | 75% of nets are treated annually for USD 0.64 per net | 50% treated annually or 75% treated biannually for USD 1.28 per net | See Table 3 |
Replenishment need | No replenishment need | Increasing/constant/decreasing proportion of nets is lost each year. | See Methods -Replenishment |
Replenishment net delivery cost | - | USD 1.4 or USD 3.86 per net | See Table 2 |