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Table 2 Socio-demographic characteristics and exposure background of study groups

From: Reduced neurobehavioral functioning in agricultural workers and rural inhabitants exposed to pesticides in northern Chile and its association with blood biomarkers inhibition

Variable RG (n=100) EE (n=81) OE (n=87)
Sex (n, % of women)a*** 34 (34.0) 53 (65.4) 45 (51.7)
Age (mean in years ± SD)b** 33.8 ± 9.4 34.6 ± 8.0 38.2 ± 8.1
Education (years of study ± SD)b*** 11.5 ± 2.7 12.5 ± 3.2 9.7 ± 2.5
Smokers (n, % yes)a 31 (31) 29 (35.8) 32 (36.8)
Grams of alcohol per day (mean ± SD)b 5.9 ± 11.6 5.0 ± 13.7 4.1 ±7.8
Drugs (ever tested; n and %)a 9 (9.0) 3 (3.7) 6 (6.9)
Environmental exposure (years ± SD)c - 20.9 ± 14.1 24.8 ± 14.9
Occupational exposure (years ± SD) - - 16.3 ± 8.0
AChE inhibition (%)d - 25.4 23.1
BuChE inhibition (%)d,# - 30.2 15.4
  1. RG reference group, EE environmentally exposed group, OE Occupationally exposed group
  2. aChi-square; bANOVA F(2,267) = 6.7 (age), 21.1 (education); c Mann - Whitney test; dThe values correspond to the proportion of individuals showing
  3. ≥ 30% of enzyme inhibition during fumigation
  4. #OR(EE/OE) = 1.532 (1.067 – 2.199); p = 0.029 (see Ramírez – Santana et al., 2018 [7])
  5. **p < 0.01; ***p < 0.001