Biomonitoring of Acetylcholinesterase (AChE) Activity among Smallholder Horticultural Farmers Occupationally Exposed to Mixtures of Pesticides in Tanzania

Table 10

Comparative categories of reported signs and symptoms.

Variable	Category of respondent				Total
	Exposed		Control		n	%
	n	%	n	%
Categories of number of symptoms
1–9 symptoms	28	31.8	25	43.1	53	36.3
10–19 symptoms	36	40.9	16	27.6	52	35.6
20 symptoms and above	24	27.3	3	5.2	27	18.5
No exposure symptoms			14	24.1	14	9.6
Total	88	100.0	58	100.0	146	100.0