Table-3.
Mean residue levels and standard deviation (ng/ml) of DDT metabolites and β-endosulfan in human blood in relation to different factors
| Age groups (years) | p, p’ DDD | p, p’ DDE | o, p’ DDE | ∑DDT | β-endosulfan |
|---|---|---|---|---|---|
| <20-30 (n=16) | 4.24±11.76 (2) | 1.96±7.87 (1) | 4.84±13.29 (2) | 11.05±17.18 (5) | 4.82±13.17 (3) |
| 31-40 (n=17) | 1.97±8.12 (1) | 5.89±16.70 (2) | 5.24±14.91 (2) | 13.11±21.34 (5) | 6.87±13.85 (3) |
| 41-50 (n=11) | 3.10±10.28 (1) | 12.14±21.68 (3) | 10.42±34.58 (1) | 25.67±36.60 (5) | ND |
| 51->60 (n=6) | - | 83.03±85.40 (4) | - | 83.03±85.40 (4) | ND |
| Dietary habits | |||||
| Non-vegetarian (n=32) | 2.29±9.07 (2) | 19.31±47.73 (7) | 4.82±21.24 (2) | 26.43±50.05 (11) | 2.74±8.98 (3) |
| Vegetarian (n=18) | 1.77±5.22 (2) | 6.96±18.56 (3) | 5.10±14.89 (3) | 16.61±22.76 (8) | 6.28±14.62 (3) |
| Gender | |||||
| Male (n=44) | 3.08±29.51 (4) | 11.77±29.51 (8) | 5.43±9.92 (4) | 20.28±33.59 (16) | 4.56±19.95 (6) |
| Female (n=6) | - | 40.84±85.65 (2) | 7.05±17.26 (1) | 47.89±83.23 (3) | - |
| Spraying | |||||
| Pesticide sprayer (n=14) | 2.39±8.95 (1) | 13.22±22.47 (4) | 6.05±15.63 (2) | 21.66±23.66 (7) | 14.35±17.98 (6) |
| Pesticide non-sprayer (n=36) | 2.832±9.619 (3) | 16.057±45.316 (6) | 5.463±21.007 (3) | 24.463±47.765 (12) | |
| Tobacco chewing/smoking (sprayers) | |||||
| Tobacco chewer (n=5) | 6.69±14.97 (1) | 10.92±24.41 (1) | 7.04±15.74 (1) | 24.66±23.99 (3) | 10.32±14.67 (2) |
| Non-tobacco chewer (n=9) | 3.78±11.36 (1) | 3.24±9.73 (1) | - | 7.03±14.01 (2) | 7.50±15.10 (2) |
Figures in parenthesis are indicating the number of positive samples, n=number of samples, ND=Not detected, DDD=Dichlorodiphenyl dichloroethane, DDE=Dichlorodiphenyl dichloroethylene, DDT=Dichlorordiphenyl trichloroethane