Table 1
Prevalence and adjusted odds of folic acid-containing supplement use, by selected characteristics, household population aged 6 to 79, Canada, 2007 to 2009

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Table 1
Prevalence and adjusted odds of folic acid-containing supplement use, by selected characteristics, household population aged 6 to 79, Canada, 2007 to 2009
Table summary
This table displays the results of prevalence and adjusted odds of folic acid-containing supplement use. This information is grouped by characteristics (appearing as row headers) and population distribution (%) , supplement use, prevalence, adjusted odds ratio (appearing as column headers), calculated using percentage and 95% confidence interval as a unit of measure.
Characteristics Population distribution (%) Supplement use
Prevalence Adjusted odds ratio
% 95% confidence interval (Controlling for age and household income) 95% confidence interval
from to from to
Total 100.0 25.0 ... ... ... ... ...
Socio-demographic factors
Sex
Female 50.2 28.2Note * 25.9 30.5 1.53Note * 1.22 1.92
MaleNote 49.8 21.4 17.7 25.6 1.00 ... ...
Age group
6 to 8 3.5 28.5 23.3 34.4 ... ... ...
9 to 13 6.8 19.5Note *Note E: Use with caution 15.1 24.8 ... ... ...
14 to 18 7.1 12.5Note *Note 6.9 12.4 ... ... ...
19 to 30 18.1 16.5Note * 12.8 21.0 ... ... ...
31 to 50 35.1 28.2 24.8 31.9 ... ... ...
51 to 70 24.2 29.6 24.6 35.2 ... ... ...
71 to 79 5.3 29.1 22.6 36.5 ... ... ...
Household income quartile
Q1 - lowest 23.2 17.0Note * 13.4 21.2 ... ... ...
Q2 23.2 24.4Note * 21.1 28.1 ... ... ...
Q3 23.4 25.7Note * 21.4 30.6 ... ... ...
Q4 - highestNote 23.4 32.5 26.1 39.5 ... ... ...
Missing 6.7 22.9 17.5 29.3 ... ... ...
Highest level of household education
Less than postsecondary graduation 24.1 21.1 17.6 25.0 0.82 0.61 1.11
Postsecondary graduationNote 75.9 26.2 23.0 29.7 1.00 ... ...
Canadian-born
YesNote 79.1 24.2 21.8 26.7 1.00 ... ...
No 20.9 27.1 19.7 36.0 1.22 0.77 1.94
Behavioural factors
Daily frequency of fruit and vegetable intake
Less than once 6.4 12.9Note * 10.1 16.4 0.43Note * 0.33 0.57
1 to 2 times 45.2 22.6Note * 18.6 27.0 0.79 0.60 1.03
3 or more timesNote 48.4 28.4 25.9 31.0 1.00 ... ...
Daily frequency of grain intake
Less than once 14.6 22.7 16.2 30.8 0.93 0.44 1.96
1 to 2 times 76.7 25.5 22.9 28.3 1.08 0.65 1.80
3 or more timesNote 8.7 21.9Note E: Use with caution 14.3 21.1 1.00 ... ...
Leisure-time physical activity (aged 12 or older)
ActiveNote 26.6 28.4 23.7 33.7 1.00 ... ...
Moderately active 25.1 26.3 20.7 32.8 0.88 0.59 1.31
Inactive 48.3 21.8Note * 19.0 24.8 0.68Note * 0.51 0.91
Smoking (aged 12 or older)
Daily 20.3 18.9Note * 15.0 23.6 0.71Note * 0.52 0.98
Former 27.0 29.1Note * 25.0 33.6 1.02 0.78 1.33
Never smokedNote 52.7 24.5 21.6 27.7 1.00 ... ...
Clinical factors
Body mass index (BMI)
Underweight/Normal weightNote 45.0 24.9 21.9 28.2 1.00 ... ...
Overweight/Obese 55.0 24.0 21.1 27.1 0.80Note * 0.66 0.97
Red blood cell folate concentration
Below median (less than 1,248 nmol/L) 50.1 14.2Note * 11.9 16.8 0.33Note * 0.25 0.43
At or above median (1,248 nmol/L or more)Note 49.9 35.0 30.9 39.3 1.00 ... ...
Serum vitamin B12 concentration
Low to marginal (221 pmol/L or less) 22.8 12.2Note * 9.1 16.1 0.33Note * 0.24 0.47
Replete (more than 221 pmol/L)Note 77.2 28.3 25.4 31.3 1.00 ... ...
Plasma homocysteine concentration
NormalNote †‡ 98.2 25.3 22.7 28.1 1.00 ... ...
High 2.8 11.5Note * 8.0 16.2 0.33Note * 0.22 0.52
N = 5,604
reference group
8 µmol/L or less at age 10 or younger, and 15 µmol/L or less for older than age 10
* significantly different from reference group (p<0.05)
E use with caution
Note: Missing values were removed for individual analyses.
Source: 2007 to 2009 Canadian Health Measures Survey.