Table 4.

Proportion of households that use chemicals and the chemical classes used

Chemical class	Irrigated (98)	Non-irrigated (102)	P value
Use chemicals	75.5 (67.0, 84.0)	83.3 (76.1, 90.5)	0.17
Pyrethroids	62.2 (52.6, 71.8)	28.2 (19.5, 36.9)	< 0.001
Organophosphates	6.8 (1.8, 11.8)	2.4 (0, 5.4)	0.14
Carbamates	2.7 (0, 5.9)	0	0.09
Other classes	21.6 (13.5, 29.7)	4.7 (0.6, 8.8)	< 0.001
Unknown	16.2 (8.9, 23.5)	67.1 (58, 76.2)	< 0.001
Don’t use chemicals	24.5 (16.0, 33.0)	16.7 (9.5, 23.9)	0.17