Table 4
Prevalence of sufficient hemoglobin and serum ferritin, by use of iron supplements, age group and sex, household population aged 3 to 79, Canada, 2009 to 2011

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Table summary
 This table displays the results of prevalence of sufficient hemoglobin and serum ferritin. The information is grouped by supplement use/ age group (years)/ sex (appearing as row headers), greater than or equal to reference value for age group, % and 95% confidence interval, calculated using from and to units of measure (appearing as column headers).
Supplement use/ Age group (years)/ Sex Greater than or equal to reference value for age group
Hemoglobin Serum ferritin
% 95% confidence interval % 95% confidence interval
from to from to
No supplement use  
3 to 11 97.8 96.1 99.4 97.8 96.7 99.0
12 to 19  
Males 99.8 99.5 100.1 99.2 98.4 99.9
Females 96.6 94.5 98.7 88.0 83.5 92.5
20 to 79  
Males 98.3 96.9 99.6 99.1 98.5 99.7
Females 95.9 94.1 97.7 92.4 89.8 95.0
Multivitamins  
3 to 11 97.9 95.2 100.6 97.0 94.3 99.7
12 to 19  
Males 100.0 100.0 100.0 98.1 92.3 103.9
Females 98.0 93.0 103.1 87.7 73.1 102.2
20 to 79  
Males 98.6 96.7 100.5 96.9 92.2 101.5
Females 96.0 93.2 98.8 96.2 93.1 99.3
Iron preparations  
3 to 11 Note F: too unreliable to be published Note ...: not applicable Note ...: not applicable Note F: too unreliable to be published Note ...: not applicable Note ...: not applicable
12 to 19  
Males Note F: too unreliable to be published Note ...: not applicable Note ...: not applicable Note F: too unreliable to be published Note ...: not applicable Note ...: not applicable
Females 96.4 83.5 109.3 60.4Note E: Use with caution 17.5 103.3
20 to 79  
Males 86.5 65.7 107.3 Note F: too unreliable to be published Note ...: not applicable Note ...: not applicable
Females 88.7 80.8 96.6 81.8 63.0 100.5
... not applicable
E use with caution
F too unreliable to be published
Note: The iron preparations group includes 20 respondents who also took multivitamins.
Source: 2009 to 2011 Canadian Health Measures Survey.