| 
      +Mean  ± SD
        | Pesticides+ | Rural    group (n=145)
 | Urban  group (n=    45)
 | P-value* |  
        | Chloroacetanilide Pretilachlor
 | 63.3  ± 402.1 | 26.    2   ± 86.4 | NS |  
        | Organochlorine |  |  |  |  
        | DDT | 731.6  ± 4667.1 | 78.7  ±    186.7 | NS |  
        | Lindane | 101.7  ± 285.2 | 36.8  ±    97.9 | <    0.05 |  
        | Organophosphate |  |  |  |  
        | Chlorpyrifos | 118.8  ± 276.1 | 64.8  ±    234.4 | NS |  
        | Diazinon | 290.8  ± 1239.3 | 98.0  ±    267.2 | NS |  
        | Malathion | 419.8  ± 662.0 | 158.5  ± 519.3 | <    0.001 |  
        | Pyrethroid |  |  |  |  
        | Bioallethrin | 30.9  ± 172.5 | 18.3   ± 70.6 2 | NS |  
        | β- Cyfluthrin | 125.8  ± 4863.4 | 104.7  ± 5567.3 | NS |  
        | α- Cypermethrin | 315.4  ± 691.1 | 209.7  ± 778.3 | NS |  *Mann-Whitney non-parametric test was used to compare the mean difference
    between the two groups
 |