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Table 1 Study population characteristics

From: Effects of community-level bed net coverage on malaria morbidity in Lilongwe, Malawi

 

2011

2012

2013

Total

p value

Malaria prevalence by age group, n (%)

 <5 years

46 (12.5)

25 (6.3)

14 (3.5)

85 (7.5)

<0.001

 5–19 years

38 (19.0)

30 (15.0)

16 (8.0)

84 (14.0)

0.006

 >20 years

19 (9.5)

9 (4.5)

15 (7.5)

43 (7.2)

0.149

 All age groups

103 (12.9)

64 (8.0)

45 (5.6)

212 (8.8)

<0.001

Individual bed net use by age group, n (%)

 <5 years

232 (58.0)

254 (63.5)

330 (82.5)

816 (68.0)

<0.001

 5–19 years

86 (43.0)

90 (45.0)

140 (70.0)

316 (52.7)

<0.001

 >20 years

112 (56.0)

129 (64.5)

159 (79.5)

400 (66.7)

<0.001

 All age groups

430 (53.8)

473 (59.1)

629 (78.6)

1532 (63.8)

<0.001

Household wealth index, n (%)

 Low

335 (41.9)

346 (43.3)

296 (37.0)

977 (40.7)

<0.01

 Medium

368 (46.0)

346 (43.3)

360 (45.0)

1074 (44.8)

<0.01

 High

97 (12.1)

108 (13.5)

144 (18.0)

349 (14.5)

<0.01

Mean percentage of neighbors within a 400-m radius sleeping under bed net, (SD)

58.8 (15.3)

    

Mean percentage of neighbors within a 1-km radius sleeping under bed net, (SD)

59.0 (12.0)

    
  1. Differences between survey periods measured using Chi square tests for categorical variables and Kruskal–Wallis test for ordinal variables