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Table 2 Results of explanatory multivariate analysis: SOS (log) models (I)

From: Dioxin-like compounds and bone quality in Cree women of Eastern James Bay (Canada): a cross-sectional study

SOS (log) model

Main exposure variable

 

DLCs (pg TCDD-EQ/L)

DL-PCB 105 (μg/L)

DL-PCB 118 (μg/L)

DL-PCB 156 (μg/L)

N

240

 

220

 

241

 

202

 

R 2 (Adjusted R 2 )

0.3086 (0.2721)

 

0.3470 (0.2990)

 

0.3070 (0.2737)

 

0.3123 (0.2725)

 

Regression coefficient (SE) (a)

p-value

Regression coefficient (SE) (a)

p-value

Regression coefficient (SE) (a)

p-value

Regression coefficient (SE) (a)

p-value

Variables

DLCs

0.4012

DL-PCB 105

0.2008

DL-PCB 118

0.1440

DL-PCB 156

0.2534

 

0.009 (0.01)

 

−18.66 (14.54)

 

−3.40 (2.32)

 

−6.38 (5.57)

Age (years)

−1.02 (0.30)

0.0007

−1.03 (0.29)

0.0005

−1.26 (0.19)

<0.0001

−1.44 (0.22)

<0.0001

Weight (kg)

0.007 (0.09)

0.9409

NR

 

NR

 

NR

 

Height (cm)

−0.49 (0.28)

0.0852

−0.84 (0.28)

0.0027

−0.54 (0.27)

0.0466

−0.75 (0.29)

0.0118

Number of children

NR

 

0.09 (0.63)

0.8854

NR

 

−0.10 (0.61)

0.8749

Omega-3 PUFAs (%)

1.27 (1.27)

0.3176

2.19 (1.30)

0.0928

1.79 (1.28)

0.1620

2.11 (1.33)

0.1143

Vitamin D (nmol/L)

NR

 

0.07 (0.10)

0.4498

NR

 

NR

 

Mercury (nmol/L)

0.02 (0.03)

0.6270

0.03 (0.04)

0.4081

0.03 (0.03)

0.3461

0.05 (0.04)

0.2162

Selenium (μmol/L)

2.13 (3.86)

0.5820

0.39 (0.53)

0.4626

4.30 (3.70)

0.2463

2.74 (3.79)

0.4696

Glucose (mmol/L)

NR

 

3.51 (3.64)

0.3354

0.46 (0.51)

0.3637

NR

 

Apolipoprotein B (g/L)

−5.70 (3.90)

0.1454

NR

 

−5.81 (3.86)

0.1340

NR

 

Menopausal status

−8.62 (4.89)

0.0791

−10.34 (4.92)

0.0368

NR

 

NR

 

Level of education

9.41 (3.86)

0.0156

10.15 (3.91)

0.0102

7.62 (3.84)

0.0486

8.06 (4.13)

0.0526

Smoking status

NR

 

−6.75 (3.39)

0.0480

NR

 

−6.44 (3.59)

0.0741

Physical activity

5.49 (2.92)

0.0610

6.10 (3.03)

0.0454

5.97 (2.91)

0.0416

NR

 

Supplements use (b)

NR

 

−5.50 (4.82)

0.2550

NR

 

−0.54 (5.19)

0.9177

Total lipid(c) (g/L)

0.51 (1.17)

0.6661

0.94 (1.27)

0.4582

0.47 (1.19)

0.6927

1.52 (1.33)

0.2532

  1. a Regression coefficients and standard errors values are multiplied by 103;
  2. b Calcium and vitamin D supplements;
  3. c Final adjustment for the total plasma lipid concentration;
  4. NR – Variable not retained in the model (non-confounding factor; proportional change of the regression coefficient of the main exposure variable < 10%).