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Table 2 Data from censuses of 15 villages where nets and insecticide have to be bought

From: Comparison of coverage with insecticide-treated nets in a Tanzanian town and villages where nets and insecticide are either marketed or provided free of charge

Questionnaires about who uses a net:-
Year % of people stated to be using a net (no. of people surveyed) Range of % coverage in different villages (no. of villages surveyed)
2001 25.0% (1237) 25.0% (1)
2002 14.0% (5674) 10.7–26.9% (4)
2003 12.8% (2455) 7.8–24.5% (4)
2004 14.4% (3636) 4.7–20.0% (3)
2005 23.9% (3681) 20.9–28.0% (3)
All 5 years 16.9% (16683) 4.7–28.0% (15)
% reported net coverage in different age groups (no. people surveyed)-
<6 yrs 22.2% (2684)  
6–12 yrs 14.1% (3272)  
>12 yrs 16.4% (10734)  
Observations on nets:-
Total no. in the 15 villages 1407 (approx. 0.5× the 2824 people stated to be using a net, i.e average of about 2 people per net)  
% of nets intact* 51.1% (data on 1220 nets)  
% of nets stated to have been treated 10.6% (data on 1220 nets)  
% torn and untreated (i.e. giving no effective protection) 44.9% (data on 1220 nets)  
  1. * by definition of Maxwell et al [10]
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