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Table 2 Participant perception of ITC effectiveness and future use at 9 and 27 months after initial distribution in Iquitos, Peru (KAP surveys: n = 595 at 9 months, n = 516 at 27 months)

From: Experiences with insecticide-treated curtains: a qualitative study in Iquitos, Peru

  9 months % (n) 27 months % (n)
Saw a decrease in the amount of mosquitoes   
 No 9.8 (58) 9.6 (49)
 Yes, but only for a few months 35.0 (208) 55.7 (285)
 Yes 55.3 (329) 34.8 (177)
 Doesn’t know   1.0 (5)
Average number of months that the ITCs functioned (at 9 mos: n = 205; at 27 months: n = 284)a 3.3 months (range 1--8) 4.7 months (range 1--24)
Percent who would recommend ITCs to family or friends 94.3 (561) 94.6 (488)
If they saw a decrease in mosquitoes (even if just for a few months), would they recommend ITCs? 97.8 (525) 97.0 (462)
If they did not see a decrease in mosquitoes, would they recommend ITCs? 62.1 (36) 75.7 (37)
Reasons for recommending ITCsb (at 9 months: n = 561; at 27 months: n = 488)   
 Reduces the amount of mosquitoes 81.6 (460) 37.8 (195)
 Protects against dengue 5.7 (32) 51.2 (264)
 Beautiful/aesthetically pleasing 5.9 (33) 3.1 (16)
 Other 6.9 (36) 2.5 (13)
Reasons for not recommending ITCsb (at 9 months, n = 34; at 27 months, n = 28)   
 Did not see a decrease in mosquitoes 32.3 (10) 39.3 (11)
 ITCs “not effective” 45.2 (14) 35.7 (10)
 Other 22.6 (7) 17.9 (5)
 No response 9.7 (3) 7.1 (2)
What they liked about the ITCs   
 Saw fewer mosquitoes in the home 44.0 (262) 36.8 (190)
 Looked beautiful/elegant 25.4 (151) 27.3 (141)
 Saw dead mosquitoes on the ITCs 15.8 (94) 24.6 (127)
 Saw all types of dead insects dead on the ITCs 9.9 (59) 7.4 (38)
 Other 4.4 (26) 3.7 (19)
 Missing 0.5 (3) 0.2 (1)
What problems were experienced with the ITCs   
 No problems 78.0 (464) 77.0 (397)
 Allergic skin reaction 19.2 (114) 20.2 (104)
 Respiratory reaction 3.2 (19) 2.1 (11)
 Got easily dirty/damaged where they were located 0.5 (3) 0.2 (1)
 Interfered with movement in the house 0.2 (1) 0.6 (3)
  1. aThere were three outliers in the 9 months survey (who responded “15 months” or “24 months” when ITCs had only been out for 9 months), and one respondent who “did not know” how many months the ITCs had worked well in the 27 months survey. These four outliers were removed from the calculation of the mean
  2. bParticipants were asked to respond to these open-ended questions in the 9 month KAP survey and the responses were collapsed into these four categories