Regression model estimates (beta, p-values) of associations of supplement use, smoking and body mass index with plasma vitamin C concentrations, by selected characteristics, household population aged 20 to 79, Canada excluding territories, 2012/2013
Table 2Supplement use | Smoking | Body mass index | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
No supplement use | Supplement users | Smokers | Non-smokers | Neither overweight nor obese | Overweight | Obese | ||||||||
beta | p-value | beta | p-value | beta | p-value | beta | p-value | beta | p-value | beta | p-value | beta | p-value | |
R2 | R2: 0.2084 | R2: 0.1563 | R2: 0.3865 | R2: 0.2731 | R2: 0.3036 | R2: 0.2912 | R2: 0.2517 | |||||||
Intercept | 67.69Note * | 0.00 | 83.50Note * | 0.00 | 70.26Note * | 0.00 | 66.73Note * | 0.00 | 67.45Note * | 0.00 | 61.57Note * | 0.00 | 60.40Note * | 0.00 |
Sex | ||||||||||||||
Men | -8.38Note * | 0.01 | -7.27Note * | 0.04 | -16.87Note * | 0.00 | -6.12Note * | 0.01 | -14.41Note * | 0.01 | -3.06 | 0.27 | -7.59Note * | 0.03 |
WomenNote † | 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 | Note ...: not applicable | Note ...: not applicable |
Age group | ||||||||||||||
20 to 39 | -1.69 | 0.57 | -6.28 | 0.27 | 3.26 | 0.65 | -4.77 | 0.06 | -5.32 | 0.18 | -1.56 | 0.75 | -3.32 | 0.37 |
40 to 59 | -3.54 | 0.21 | -0.06 | 0.98 | -2.02 | 0.74 | -3.49 | 0.11 | -5.21 | 0.26 | -1.34 | 0.65 | -5.74 | 0.16 |
60 to 79Note † | 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 | Note ...: not applicable | Note ...: not applicable |
Education | ||||||||||||||
Less than college/university graduation | -5.56Note * | 0.00 | -2.96 | 0.41 | -0.83 | 0.86 | -6.43Note * | 0.01 | -8.58Note * | 0.01 | -3.71 | 0.27 | -1.86 | 0.48 |
College/University graduationNote † | 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 | Note ...: not applicable | Note ...: not applicable |
Vitamin C-containing supplement use | ||||||||||||||
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 | Note ...: not applicable | Note ...: not applicable |
Yes | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | 21.54Note * | 0.00 | 16.28Note * | 0.00 | 18.40Note * | 0.01 | 17.89Note * | 0.00 | 13.28Note * | 0.00 |
Smoking | ||||||||||||||
Daily/Occasional | -7.32Note * | 0.03 | -1.88 | 0.78 | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | -5.14 | 0.14 | -7.42 | 0.06 | -1.35 | 0.70 |
Non-smokerNote † | 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 | Note ...: not applicable | Note ...: not applicable |
Body mass index | ||||||||||||||
Neither overweight or obeseNote † | 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 | Note ...: not applicable | Note ...: not applicable |
Overweight | -3.42 | 0.27 | -6.55 | 0.31 | -3.51 | 0.50 | -5.01 | 0.05 | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable |
Obese | -9.87Note * | 0.00 | -18.00Note * | 0.01 | -5.66 | 0.32 | -13.76Note * | 0.00 | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable |
Fruit juice consumption | ||||||||||||||
DailyNote † | 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 | Note ...: not applicable | Note ...: not applicable |
At least once a month | -1.22 | 0.56 | -1.51 | 0.75 | -9.80Note * | 0.03 | 0.60 | 0.78 | 2.09 | 0.53 | -3.00 | 0.32 | -5.80 | 0.08 |
Less than once a month or never | -6.27 | 0.12 | -0.89 | 0.90 | -17.59Note * | 0.03 | -3.42 | 0.17 | -3.31 | 0.41 | -5.40 | 0.20 | -11.52Note * | 0.00 |
Citrus fruit consumption | ||||||||||||||
At least once a weekNote † | 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 | Note ...: not applicable | Note ...: not applicable |
Less than once a week | -8.01Note * | 0.00 | -2.98 | 0.47 | -14.06Note * | 0.01 | -4.82Note * | 0.04 | -0.87 | 0.75 | -12.24Note * | 0.00 | -7.27Note * | 0.02 |
... not applicable
Source: 2012/2013 Canadian Health Measures Survey. |
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