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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.