Table 2
Geometric means of urinary BPA concentrations, by selected characteristics, household population aged 6 to 17, Canada, 2007/2009 and 2009/2011 (combined)
Characteristics | Geometric mean (µg/L) | 95% confidence interval | |
---|---|---|---|
from | to | ||
TotalNote ‡ | 1.3 | 1.1 | 1.4 |
Age groupNote ‡ | |||
6 to 8Note † | 1.8 | 1.6 | 2.1 |
9 to 11 | 1.4Note * | 1.2 | 1.7 |
12 to 14 | 1.2Note *** | 1.0 | 1.4 |
15 to 17 | 0.9Note *** | 0.8 | 1.1 |
SexNote ‡ | |||
MaleNote † | 1.2 | 1.1 | 1.4 |
Female | 1.3 | 1.2 | 1.5 |
Time of urine collectionNote ‡ | |||
MorningNote † | 1.1 | 1.0 | 1.3 |
Afternoon | 1.5Note *** | 1.3 | 1.7 |
Evening | 1.4 | 1.0 | 1.7 |
EthnicityNote § | |||
WhiteNote † | 1.3 | 1.2 | 1.5 |
Non-white | 1.3 | 1.0 | 1.6 |
Exposure to second-hand smokeNote § | |||
Once a week or lessNote † | 1.2 | 1.1 | 1.4 |
Every day or almost every day | 1.6Note ** | 1.4 | 2.0 |
Household incomeNote § | |||
Low/Lower-middle | 1.7Note *** | 1.4 | 2.0 |
Upper-middle | 1.2 | 1.0 | 1.4 |
HighestNote † | 1.2 | 1.1 | 1.4 |
Household educationNote § | |||
Secondary school graduation or less | 1.3 | 1.0 | 1.6 |
At least some postsecondaryNote † | 1.3 | 1.1 | 1.5 |
Body Mass IndexNote § | |||
Neither overweight nor obeseNote † | 1.3 | 1.2 | 1.5 |
Overweight | 1.3 | 1.0 | 1.7 |
Obese | 1.2 | 1.0 | 1.4 |
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