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Table 3 LLIN Fabric integrity (pHI) after 12 and 18 months at sites with different access to water for washing nets

From: Durability assessment results suggest a serviceable life of two, rather than three, years for the current long-lasting insecticidal (mosquito) net (LLIN) intervention in Benin

 

Kessounou South

Malanville North

Allada South

Kandi North

 

T12

T18

T12

T18

T12

T18

T12

T18

Tagged LLINs found

253

227

338

279

286

184

348

283

n (%) of nets found with any hole (s)

219 (87)

210 (92)

294 (87)

260 (93)

178 (62)

133 (72)

241 (69)

208 (73)

CI95 of (%)

81.73-90.51

88.28-95.58

82.92-90.38

89.57-95.85

56.34-67.88

65.22-78.62

64.11-74.06

67.95-78.55

Mean pHI

799

1479

691

888

398

623

510

447

Median pHI

290

706

243

312

46

105

86

96

IQR pHI

1034

2057

978

1156

439

667

560

477

n (%) of nets in pHI<64 ‘good’ catagory

69 (27)

43 (19)

107(32)

73 (26)

162 (57)

83 (46)

161 (46)

133 (47)

CI95 (%)

22.16-33.07

14.38-24.54

26.93-36.80

21.36-31.62

50.8-62.26

39.2-53.67

41.10-51.52

41.26-52.81

n (%) of nets in 64<pHI<768 ‘serviceable’ catagory

100 (40)

74 (33)

129 (38)

105 (38)

79 (28)

53 (30)

112(32)

99 (35)

CI95

33.70-45.66

26.83-38.94

33.15-43.45

32.1-43.45

22.76-33.08

23.4-36.67

27.49-37.26

29.66-40.71

n (%) of nets in pHI >768 ‘needs replacement’ catagory

84 (33)

110 (48)

102 (30)

101 (36)

45 (16)

43 (24)

75 (22)

51 (18)

CI95

27.69-39.22

42.04-54.93

25.53-35.27

30.7-41.27

11.9-20.40

18.3-30.78

17.5-26.17

13.98-22.92

  1. IQR=Interquartile range; n=number; T12=12 months; T18=18 months; CI=Confidence Interval.