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218 CHAPTER 9 ■ Creating a Commercial Market for Insecticide-Treated Mosquito Nets

100
90
80
70
60
% 50
40
30
20
10
0
1 Lowest 2 3 4 5 Highest

Commercial Noncommercial

FIGURE 9-2 Sources of Nets for all Socioeconomic Quintiles

The data, however, also showed that net and ITN ownership increased in
every economic quintile. In some countries where public sector distribution of
ITNs dominates, the richer quintiles sometimes obtain more ITNs than the
poorer segments (see Figure 9-3).
A survey of the five largest open markets—the ones that provide most of the
nets to the entire open-market system—showed that ITNs were now available in
all of them as opposed to one of five in 2002 when NetMark first began studying
the open-market system.
Sales of ITNs were tracked by NetMark’s formal partners (those holding a
signed agreement with NetMark and receiving direct marketing support) and

2000 2004
60
50
40
30
20 23 20 15
15 12
10 19 2 1 1 1 1
11 6 14 10 7 11 8 8 11
0
1 2 3 4 5 1 2 3 4 5
Low High Low High
ITN Ever treated (.12 mos.) Untreated

FIGURE 9-3 Net and ITN Ownership among all Socioeconomic Quintiles