Table 2

Median, 25th, and 75th percentiles of concentrations (ng/g) of individual pesticide residues and PCB congeners in adipose tissue and the percentage each makes of total concentration

Cases (n = 232)% of total OCPsControls (n = 323)% of total OCPsPa
25%50%75%25%50%75%
Pesticide residue
HCB12.417.826.02.410.616.321.82.50.5
β-HCH10.219.839.45.18.715.829.24.40.4
OXCb28.446.471.76.623.838.964.86.20.06
TNC32.051.081.67.325.239.663.86.60.9
p,p′-DDE204.9419.2803.873.3161.6374.1837.575.50.2
o,p′-DDD8.316.427.62.87.813.322.02.40.9
p,p′-DDT7.512.321.42.56.312.121.92.50.04
Total OCPs359.2628.61080.1100.0271.8546.91094.5100.00.1
BZ number
 7415.829.646.29.915.126.745.611.1<0.01
 9911.319.331.36.78.213.925.16.50.2
11815.930.453.911.513.124.042.011.20.9
13816.028.747.09.912.421.736.18.90.08
1465.09.214.73.14.26.911.63.00.8
15347.276.1112.424.439.263.199.424.20.6
1567.011.217.63.94.89.115.64.10.8
1670.81.73.20.80.21.32.40.80.7
1708.413.519.54.16.511.217.54.30.8
1720.02.44.11.40.01.63.71.20.7
1782.33.96.81.41.53.05.31.50.9
18024.442.467.214.819.233.761.815.80.9
1833.45.89.02.32.44.06.71.80.02
18710.016.226.55.77.512.821.55.50.5
Total PCBs184.9294.7458.1100.0156.5257.1382.4100.00.9
  • a P for comparison of logarithms of case-control means, adjusted for age and BMI.

  • b OXC, oxychlordane; TNC, trans-nonachlor.