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Table 4 Serum cholinesterase activity according to exposure status past month and Body Mass Index among farmers (n = 170)

From: Occupational pesticide intoxications among farmers in Bolivia: a cross-sectional study

  % Mean ChE activity kU/L Unadjusted Adjusted*
    Coefficient 95% CI Coefficient 95% CI
Not having sprayed during the last month 22 8.36 - - - -
Sprayed only with pesticides other than OPs 17 7.60 -0.76 -1.46 to -0.06 -0.86 -1.64 to -0.09
Sprayed from 1–3 times with OPs 34 7.34 -1.02 -1.62 to -0.43 -1.19 -1.84 to -0.53
Sprayed more than 3 times with OPs 27 6.84 -1.56 -2.15 to -0.90 -1.62 -2.31 to -0.92
Constant    8.36 7.90 – 8.82   
>7 precautions taken when handling pesticides 18 7.53 - - - -
6–7 precautions taken when handling pesticides 30 7.47 -0.07 -0.82 – 0.68 -0.06 -0.78 – 0.66
4–5 precautions taken when handling pesticides 33 7.51 -0.02 -0.76 – 0.72 -0.22 -0.92 – 0.48
0–3 precautions taken when handling pesticides 19 7.45 -0.08 -0.90 – 0.74 -0.08 -0.85 – 0.69
Constant    7.53 6.93 – 8.13   
BMI>25 73 8.00 - - - -
BMI≤ 25 27 7.23 -0.77 -1.26 to -0.27 -0.49 -1.0 – 0.02
Constant    8.0 7.58 – 8.43   
Constant      8.97 8.13 – 9.80
  1. Linear regression analysis, *the regression coefficients were mutually adjusted.