Table 3. Multiple linear regression analysis.

Model	Unstandardized coefficients β (SE)	Standardized coefficients β	t	Sig	95% CI	r2
BMI	0.989 (0.17)	0.352	5.84	<0.001	[0.66–1.32]	0.641
Academic performance	−0.120 (0.034)	−0.134	−2.96	0.003	[−0.16 to −0.03]
Pediatric symptom total score	0.178 (0.04)	0.259	4.33	<0.001	[0.09–0.26]

Notes:

BMI, Body mass index; β, beta coefficient; CI, confidence interval; r², coefficient of determination.