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Table 3 Assessment of perceptions on repellent use, effectiveness and cost after the study period

From: Feasibility of repellent use in a context of increasing outdoor transmission: a qualitative study in rural Tanzania

  Repellent n (%) Placebo n (%) Total proportions/treatment P- value
Reasons for non-compliance     
Forgot 35 (70.00%) 89 (60.13%) 124 (62.63%) 0.241
Away in the field 13 (26.00%) 56 (37.83%) 69 (34.85%)  
Don’t like repellent 1 (2.00%) - 1 (0.51%)  
No mosquitoes 1 (2.00%) 2 (1.35%) 3 (1.52%)  
Ran out of repellent - - -  
Other - 1 (0.67%) 1 (0.51%)  
Perceptions about repellents     
Effective 455 (98.69%) 208 (45.61%) 663 (72.30%) <0.0001
Easily available 5 (1.08%) 50 (10.96%) 55 (6.00%)  
Nice smell - 99 (21.71%) 99 (10.80%)  
Smooth on skin - 98 (21.49%) 98 (10.69%)  
Other 1 (0.21%) 1 (0.21%) 2 (0.22%)  
Willingness to use repellent again     
Yes 462 (99.78%) 463 (99.78%) 925 (99.78%) 0.999
No 1 (0.21%) 1 (0.21%) 2 (0.22%)  
Willingness to pay     
Yes 458 (99.78%) 455 (98.48%) 913 (99.13%) 0.034
No 1 (0.21%) 7 (1.51%) 8 (0.87%)  
Perceived cost of repellent     
< 0.6 USD 99 (21.80%) 111(26.74%) 210 (24.17%) 0.023
0.6 – 1.2 USD 280 (61.67%) 212 (51.08%) 492 (56.62%)  
1.2 – 1.8 USD 61 (13.43%) 75 (18.07%) 136 (15.65%)  
1.8 – 3.05 USD 13 (2.86%) 17 (4.09%) 30 (3.45%)  
> 3.05 USD 1(0.22%) - 1 (0.12%)  
Amount participants were willing to pay     0.347
< 0.30 USD 388 (83.43%) 402 (87.77%) 790 (86.06%)  
0.30 – 0.60 USD 64 (13.91%) 52 (11.35%) 116 (12.64%)  
0.60 – 1.20 USD 7 (1.52%) 4 (0.87%) 11 (1.20%)  
1.20 – 1.52 USD 1 (0.21%) - 1 (0.11%)