Effectiveness of a Participatory Program on Pesticide Use Behavior and Blood Cholinesterase Levels in Chiang Mai Province, Northern Thailand

Table 3

The results of cholinesterase activity in blood samples of farmers and consumers by Ellman’s method.

	Farmers (N = 32)		Consumers (N = 48)		Total (N = 80)
	Mean	SD	Mean	SD	Mean	SD
Preprogram (U/ml)	2.17^a	0.50	2.37^b	0.57	2.29^c	0.55
Postprogram (U/ml)	2.99^a	0.62	2.98^b	0.50	2.99^c	0.61

^a,b,cSame mean differences were significant at by the paired t-test.