Table 1.

Descriptive statistics among Canadian secondary school students participating in Year 7 (2018/19) of the COMPASS Study

	Girls	Boys
	N = 28,580	N = 28,479
	% (N)	% (N)
Grade
9	27.9 (7984)	27.6 (7849)
10	28.2 (8047)	27.9 (7950)
11	26.7 (7641)	26.5 (7558)
12	17.2 (4908)	18.0 (5122)
Race/Ethnicity
White	64.1 (18314)	62.6 (17814)
Black	3.2 (924)	4.5 (1294)
Asian	13.9 (3959)	13.9 (3954)
Latinx	2.6 (746)	2.8 (793)
Other/Mixed	16.3 (1637)	16.2 (4624)
BMI Classification
Underweight	1.3 (384)	2.1 (588)
“Normal-weight”	58.5 (16722)	52.2 (14856)
Overweight	10.6 (3037)	13.8 (3927)
Obesity	4.2 (1198)	7.6 (2155)
Missing	25.3 (7239)	24.4 (6953)
Weight Perception
Underweight	10.7 (3070)	21.6 (6147)
“About the right weight”	60.3 (17228)	55.4 (15777)
Overweight	27.5 (7867)	21.1 (6021)
Missing	1.5 (415)	1.9 (534)
Bullying Victimization (in the last 30 days)
Yes	20.3 (5814)	20.2 (5757)
No	79.7 (22766)	79.8 (22722)
School-area median household income
$25,000–50,000	11.2 (3210)	10.5 (2991)
$50,001–75,000	55.7 (15908)	56.0 (15960)
$75,000–100,000	27.3 (7798)	27.6 (7872)
> $100,000	5.8 (1664)	5.8 (1656)
Urbanicity
Large Urban	58.6 (16740)	59.0 (16789)
Medium Urban	13.9 (3986)	13.8 (3938)
Small Urban	27.2 (7777)	26.9 (7675)
Rural	0.3 (77)	0.3 (77))
	Mean (SD)	Mean (SD)
Depressive symptoms (CESD-10)	10.2 (6.4)	7.6 (5.4)
Anxiety symptoms (GAD-7)	8.1 (5.9)	4.8 (5.1)
Flourishing (Flourishing Scale [FS])	31.3 (5.7)	32.1 (5.7)

NOTES: Possible score ranges include 0–30 for the CESD-10, 0–21 for the GAD-7, and 8–40 for the FS. Scores of ≥10 for the CESD-10 and GAD-7 are established cut-offs indicating clinically relevant symptoms. Secondary III, IV, and V in Quebec were classified as grades 9, 10, and 11, respectively