Biomonitoring of Acetylcholinesterase (AChE) Activity among Smallholder Horticultural Farmers Occupationally Exposed to Mixtures of Pesticides in Tanzania
Table 8
Logistic regression analysis for determinants of the outcome variable (AChE < 24.5 Ug/Hb).
Independent variables
B
Z-values
Sig.
Odd ratios
95.0% CI
Lower
Upper
Age categories
0.065
0.367
0.045
1.067
0.864
1.319
BMI categories
−0.143
0.262
0.008
0.867
0.502
1.496
1–4 yrs working with pesticides
−1.369
0.292
0.589
0.254
0.002
36.495
5-yrs working with pesticides
−1.614
0.570
0.450
0.199
0.003
13.147
Average area spread/day
−6.620
5.309
0.021
0.001
0.000
0.372
Working hours/day
1.252
4.363
0.037
3.497
1.080
11.322
Break less than a month before next intensive spray period
−0.763
0.126
0.723
0.466
0.007
31.497
Break for 1-2 months before next intensive spray period