Table 4.

Summary of public health and agricultural use of pesticides based on questionnaire survey

				Percentage of households (%)
Site	Purpose	Environment	Insecticide	Never	Weekly	Biweekly	Monthly
Sanya	Public health	Indoor*	Pyrethroids	3.3	96.7	0.0	0.0
	Agricultural	Outdoor	Pyrethroids	80.0	13.3	0.0	6.7
			Organophosphate	66.7	6.7	13.3	13.3
			Microbial insecticide	90.0	3.3	3.3	3.3
Wanning	Public health	Indoor*	Pyrethroids	10.0	36.7	33.3	20.0
	Agricultural	Outdoor	Pyrethroids	93.3	0.0	6.7	0.0
			Organophosphate	56.7	0.0	33.3	10.0
			Nitromethyl	86.7	0.0	6.7	6.7
Haikou	Public health	Indoor*	Pyrethroids	26.7	43.3	13.3	16.7
			Carbamate	93.3	0.0	3.3	3.3
	Agricultural	Outdoor	Pyrethroids	86.7	0.0	6.7	6.7
			Organophosphate	73.3	0.0	16.7	10.0
Danzhou	Public health	Indoor*	Pyrethroids	26.7	40.0	13.3	20.0
	Agricultural	Outdoor	Organophosphate	63.3	0.0	20.0	16.7
			Nicotine insecticide	86.7	0.0	10.0	3.3
Qiongzhong	Public health	Indoor*	Pyrethroids	0.0	100.0	0.0	0.0
	Agricultural	Outdoor	Pyrethroids	56.7	0.0	3.3	40.0
			Organophosphate	66.7	0.0	0.0	33.3

Total number of households surveyed was 30 per site.

^*Pyrethroid‐based mosquito repellents.