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Table 5 Proportion of farmers using pesticides and the duration since the first use of pesticides in agriculture (crops) and livestock (veterinary) in the irrigated and non-irrigated areas

From: Insecticide resistance status of Anopheles arabiensis in irrigated and non-irrigated areas in western Kenya

Site/class n < 12 months 13–36 months 37–60 months 61–120 months > 120 months Don’t know
Irrigated 98       
 Pyrethroids 46 2.2 (0–4.4) 15.2 (9.9–20.5) 4.3 (1.3–7.3) 26.1 (19.6–32.6) 45.7 (38.4–53) 6.5 (2.9–10.1)
 Organophosphates 5 60 (38.1–81.9) 20 (2.1–37.9) 20 (2.1–37.9)
 Carbamates 2 100 (100)
Non-irrigated 102       
 Pyrethroids 24 12.5 (5.7–19.3) 8.3 (2.7–13.9) 4.2 (0.1–8.3) 16.7 (9.1–24.3) 45.8 (35.6–56) 12.5 (5.7–19.3)
 Organophosphates   50 (14.6–85.4) 50 (14.6–85.4)