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Table 1 Sample characteristics N = 20,923

From: The prevalence of eating behaviors among Canadian youth using cross-sectional school-based surveys

  PEI n = 1 417 Quebec n = 12 246 Hamilton n = 2 541 Thunder bay n = 1 499 PEI n = 1 812 Quebec n = 1 048
  Grade 5-8 Grade 9-12
Age       
11 or under 46.5% 67.9% - - - -
12 25.9% 23.3% - - - 0.1%
13 23.7% 5.8% 0.3% 1.9% 0.9% -
14 3.8% 2.5% 23.3% 32.4% 20.7% 16.5%
15 0.1% 0.4% 25.1% 32.5% 26.8% 32.5%
16 - - 24.7% 24.1% 22.8% 32.2%
17 or older - - 26.5% 9.1% 28.8% 18.7%
Mean 11.9 11.4 15.5 15.1 15.6 15.5
(SD) (0.92) (0.75) (1.12) (1.00) (1.14) (0.98)
Grade       
5 29.6% 50.5% - - - -
6 19.8% 39.7% - - - -
7 24.0% 4.9% - - - -
8 26.6% 4.9% - - - -
9 - - 28.9% 35.4% 24.0% 36.3%
10 - - 24.3% 33.0% 27.3% 30.7%
11 - - 24.7% 23.8% 24.6% 33.0%
12 - - 22.0% 7.7% 24.2% -
Gender       
Female 49.0% 49.7% 50.1% 49.5% 47.5% 50.7%
Male 51.0% 50.3% 49.9% 50.5% 52.5% 49.3%
BMI a       
Underweight - - 1.6% 1.3% 1.0% 1.3%
Healthy weight - - 56.6% 53.4% 56.1% 62.5%
Overweight - - 11.0% 13.7% 15.3% 11.6%
Obese - - 4.8% 5.3% 7.4% 4.5%
Not Stated - - 26.1% 26.3% 20.1% 20.1%
  1. aBMI was not asked of grade 5-8 students.