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Table 7 Linear multiple regressions for determinants for serum concentrationsof CB-153 (ng/g lipid) and p,p'-DDE (ng/g lipid) among Warsaw men and women.a

From: Inter-population variations in concentrations, determinants of and correlations between 2,2',4,4',5,5'-hexachlorobiphenyl (CB-153) and 1,1-dichloro-2,2-bis (p-chlorophenyl)-ethylene (p,p'-DDE): a cross-sectional study of 3161 men and women from Inuit and European populations

  Warsaw men Warsaw women
  CB-153 p,p'-DDE CB-153 p,p'-DDE
Age, years 1.2 (0.8, 1.6) - 1.3 (0.9, 1.6) 21 (9.6, 32)
BMI, kg/m2 -0.6 (-1.1, -0.1) -10 (-21, 0.8) - -
Current smoking -a -   
   No - - - Ref
   Yes    - -90 (-176,-3.9)
   Cig/day - - -0.2 (-0.4, 0.05) -
Seafood, meals/week - - 1.1 (0.1, 2.1) -
Primipara     -
   No    Ref  
   Yes    7.4 (2.8, 12)  
Gestational length (weeks)    - -
Explained variancec(%) 12 (area)
24 (+age)
27 (+seafood)
12 (area)
18 (+age)
22 (+seafood)
14 (age)
19 (+parity)
19 (+seafood)
19 (+cig/day)
6 (age)
7 (+smoking)
  1. a) The β-coefficients (with 95 % CI within brackets) are shown.
  2. b) The variable did not fulfil the criteria to be included in the final model.
  3. c) Cumulative explained variance after successive addition of determinant variables to the final multivariate model. Thus, the total explained variance is given on the lowest line.