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Table B
Weighted characteristics of sample with valid blood lead and/or urinary bisphenol A concentrations, household population aged 6 to 79 years, Canada, March 2007 to February 2009

Characteristics	All respondents
	%	95% confidence interval
	%	from	to
Sex
Males	49.8	49.7	49.9
Females	50.2	50.1	50.3
Age group (years)
6 to 11	7.3	7.2	7.5
12 to 19	11.4	11.2	11.6
20 to 39	30.9	30.7	31.2
40 to 59	33.5	33.3	33.6
60 to 79	16.9	16.8	17.0
Highest level of education in household
Less than secondary graduation	5.7	4.3	7.6
Secondary graduation	11.6	8.9	15.0
Some postsecondary	6.6	5.0	8.7
Postsecondary graduation	76.1	69.6	81.5
Household income adjusted for household size^†
First quartile ($25,000 or less)	25.7	21.7	30.1
Second quartile (more than $25,000 to $41,000)	24.1	21.1	27.3
Third quartile (more than $41,000 to $64,000)	25.3	22.3	28.5
Fourth quartile (more than $64,000)	25.0	20.9	29.5
Country of birth
Outside Canada	21.5^E	14.1	31.3
Canada	78.5	68.7	85.9
Age of dwelling
Less than 20 years	33.0	25.4	41.7
20 to less than 50 years	43.5	36.3	51.1
50 years or more	23.4	16.2	32.6
Smoking status^‡
Never	52.6	49.4	55.8
Former	27.0	24.3	30.0
Current	20.3	17.9	23.0
Frequency of alcohol consumption in past 12 months^‡
Less than once a week	54.9	51.0	58.7
1 to 3 times a week	30.2	27.3	33.3
4 to 6 times a week	7.0	5.6	8.6
Daily	7.9	6.2	10.0
BMI status
Neither overweight nor obese	45.0	40.2	49.9
Overweight	33.6	30.8	36.6
Obese	21.4	18.4	24.6
† adjusted using 40/30 formula; adjusted household incomes for all respondents ranked and divided into quartiles ‡ excludes children younger than 12 ^E use with caution (coefficient of variation 16.6% to 33.3%) Source: 2007 to 2009 Canadian Health Measures Survey.