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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]