Are weight status and weight perception associated with academic performance among youth?

Table 3 Mixed-effect model testing BMI category and weight perception as predictors of English/French grades ≥60% among youth

	Females (N = 31,334)		Males (N = 30,552)
	AOR	95% CI	AOR	95% CI
BMI Category (Reference: “Normal weight”)
Obesity	0.51**	0.41–0.64	0.63**	0.55–0.73
Overweight	0.71**	0.60–0.85	0.87	0.77–0.99
Underweight	1.04	0.68–1.59	0.93	0.71–1.21
Missing weight data	0.45**	0.40–0.50	0.54**	0.49–0.60
Missing sex, age, or height data	0.49**	0.40–0.59	0.58**	0.51–0.66
Weight Perception (Reference: “About the right weight”)
Overweight	0.76**	0.68–0.85	0.83**	0.75–0.92
Underweight	0.59**	0.51–0.69	0.87*	0.79–0.95
Missing weight perception	0.50**	0.36–0.68	0.66**	0.51–0.84
Race/ethnicity (Reference: White)
Nonwhite, multiethnic, or other	0.67**	0.60–0.75	0.74**	0.68–0.80
Grade (Reference: 9)
10	0.96	0.83–1.10	0.94	0.85–1.05
11	0.87	0.75–1.00	0.94	0.84–1.05
12	1.07	0.90–1.27	1.06	0.93–1.21
Other^a	1.19	0.98–1.44	1.12	0.97–1.29
Weekly Spending Money (Reference: None)
$1–$20	0.88	0.75–1.03	1.08	0.97–1.21
$21–$100	0.95	0.80–1.11	1.05	0.93–1.18
> $100	0.88	0.74–1.06	0.93	0.83–1.05
Don’t know	0.99	0.84–1.18	1.09	0.96–1.23

Note: Cross-sectional data from Year 6 (2017/2018) of the COMPASS study (N = 61,886). The outcome reference category is English/French grades < 60%. Mixed models were used to account for school clustering by adding a random intercept at the school level
*p < .01
**p < .001
^aSecondary I-II in Quebec schools

ISSN: 2050-2974