Regression model estimates of association between selected characteristics and urinary cadmium levels, all respondents and never-smokers only, by sex, household population aged 20 to 79, Canada excluding territories, 2007 to 2011
Table 3Characteristic | Total | Never-smokers | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Women (n = 3,666) | Men (n = 3,259) | Women (n = 1,903) | Men (n = 1,391) | |||||||||
eBeta | 95% confidence interval | eBeta | 95% confidence interval | eBeta | 95% confidence interval | eBeta | 95% confidence interval | |||||
from | to | from | to | from | to | from | to | |||||
Intercept | 0.48 | 0.43 | 0.55 | 0.35 | 0.31 | 0.39 | 0.41 | 0.34 | 0.48 | 0.29 | 0.27 | 0.32 |
Block 1: Adjustment | change in R2 = 0.4769 | change in R2 = 0.4644 | change in R2 = 0.5356 | change in R2 = 0.5970 | ||||||||
Urinary creatinine, natural log (µg/L) | 1.01Note * | 2.68 | 2.92 | 2.78Note * | 2.63 | 2.93 | 1.01Note * | 2.67 | 3.01 | 2.69Note * | 2.52 | 2.87 |
Block 2: Age | change in R2 = 0.1201 | change in R2 = 0.1169 | change in R2 = 0.0743 | change in R2 = 0.0300 | ||||||||
Age (centered at 45, 1 unit = 5 years) | ||||||||||||
Linear | 1.14Note * | 1.12 | 1.16 | 1.12Note * | 1.10 | 1.14 | 1.09Note * | 1.07 | 1.11 | 1.06Note * | 1.05 | 1.08 |
Quadratic | 0.99Note * | 0.99 | 0.99 | 0.99Note * | 0.99 | 1.00 | ||||||
Block 3: Smoking | change in R2 = 0.0525 | change in R2 = 0.0477 | change in R2 = 0.0000 | change in R2 = 0.0003 | ||||||||
Smoking status | ||||||||||||
Never-smokersNote † | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable |
Former smokers | 1.17Note * | 1.07 | 1.28 | 1.30Note * | 1.20 | 1.41 | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable |
Current smoker | 1.79Note * | 1.63 | 1.97 | 1.57Note * | 1.37 | 1.80 | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable |
Daily/Almost daily second-hand smoke exposure | ||||||||||||
NoNote † | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable |
Yes | 1.11Note * | 1.01 | 1.21 | 1.18Note * | 1.08 | 1.28 | 1.05 | 0.90 | 1.23 | 1.08 | 0.94 | 1.25 |
Block 4: Diet (1 unit = 12 times/year) | change in R2 = 0.0050 | change in R2 = 0.0087 | change in R2 = 0.0131 | change in R2 = 0.0121 | ||||||||
Organ meat, centered at 0 | 1.018 | 0.996 | 1.041 | 1.006 | 0.976 | 1.038 | 1.014 | 0.981 | 1.048 | 1.025 | 0.996 | 1.055 |
Shellfish, centered at 0 | 1.010 | 0.998 | 1.021 | 1.006 | 0.997 | 1.015 | 1.010 | 0.993 | 1.026 | 1.000 | 0.988 | 1.013 |
Cereal, centered at 104 | 0.999 | 0.997 | 1.001 | 0.999 | 0.995 | 1.002 | 0.998 | 0.995 | 1.001 | 0.999 | 0.996 | 1.002 |
Bread, centered at 365 | 1.000 | 0.999 | 1.002 | 0.999 | 0.998 | 1.001 | 1.001 | 0.999 | 1.002 | 0.999 | 0.997 | 1.002 |
French fries, centered at 52 | 1.000 | 0.994 | 1.007 | 0.991 | 0.982 | 1.001 | 0.998 | 0.976 | 1.021 | 0.993 | 0.983 | 1.003 |
Other potatoes, centered at 52 | 0.995Note * | 0.991 | 0.999 | 1.001 | 0.997 | 1.006 | 0.989Note * | 0.981 | 0.997 | 1.000 | 0.993 | 1.007 |
Salad, centered at 104 | 0.999 | 0.996 | 1.002 | 0.998 | 0.994 | 1.002 | 0.997 | 0.994 | 1.001 | 1.000 | 0.995 | 1.004 |
Other leafy greens, centered at 0 | 0.996 | 0.991 | 1.001 | 0.996 | 0.992 | 1.001 | 1.001 | 0.996 | 1.006 | 1.003 | 0.997 | 1.008 |
Nuts and seeds, centered at 52 | 1.000 | 0.997 | 1.003 | 0.998 | 0.995 | 1.000 | 1.003 | 0.999 | 1.007 | 0.999 | 0.996 | 1.002 |
Any red meat in past year | ||||||||||||
No | 1.17 | 0.99 | 1.38 | 1.34Note * | 1.09 | 1.64 | 1.10 | 0.90 | 1.34 | 1.36Note * | 1.03 | 1.81 |
YesNote † | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable |
Block 5: Other | change in R2 = 0.0141 | change in R2 = 0.0103 | change in R2 = 0.0358 | change in R2 = 0.0080 | ||||||||
Anaemic (low hemoglobin) | ||||||||||||
Yes | 1.08 | 0.97 | 1.20 | 1.24Note * | 1.13 | 1.37 | 1.05Note * | 0.85 | 1.29 | 1.32Note * | 1.13 | 1.55 |
NoNote † | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable |
Body mass index, measured (centred at 21.75, 1 unit = 5 BMI points) | 0.92Note * | 0.89 | 0.96 | 0.92Note * | 0.88 | 0.97 | 0.90Note * | 0.85 | 0.94 | 0.93Note * | 0.88 | 0.98 |
Parity (women) | ||||||||||||
NulliparousNote † | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable |
One | 1.19Note * | 1.04 | 1.37 | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | 1.45Note * | 1.19 | 1.78 | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable |
Two | 1.10 | 1.00 | 1.21 | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | 1.33Note * | 1.17 | 1.50 | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable |
Three or more | 1.21Note * | 1.06 | 1.38 | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | 1.49Note * | 1.25 | 1.78 | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable |
CHMS cycle | ||||||||||||
1Note † | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable |
2 | 0.93 | 0.84 | 1.02 | 0.88Note * | 0.79 | 0.97 | 0.89 | 0.78 | 1.02 | 0.95 | 0.84 | 1.07 |
Total R2 | R2 = 0.6687 | R2 = 0.6481 | R2 = 0.6588 | R2 = 0.6473 | ||||||||
... not applicable
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