Table 3

Comparison of acetylcholinesterase (AChe) levels between studies among exposed and non-exposed populations

StudyLocationStudy population genderExposedUnexposed
nAChe (U/g Hb)nAChe (U/g Hb)
Current study (Makhatini Flats)*South AfricaFemale36629.343728.6
Ngowi et al22TanzaniaNot stated13332.013333.0
Gomes et al33United Arab EmiratesNot stated53229.953232.1
Ciesielski et al34United States of AmericaMixed (male predominance)20230.24232.2
  • * In this study population: ‘exposed’ refers to sprayers and ‘unexposed’ to non-sprayers.