Table 2.

Multivariable models to predict quality of life and daytime sleepiness among female high school volleyball athletes

	PedsQL—Total Score			PDSS—Total Score
	Estimate	SE	P	Estimate	SE	P
Specialization: Moderate	0.08	0.52	0.88	−0.10	0.34	0.76
Specialization: High	−0.70	0.52	0.18	1.12	0.34	<0.001
Grade	−0.08	0.20	0.71	0.76	0.13	<0.001
Prior injury (yes)	−1.11	0.48	0.02	0.51	0.31	0.10

PDSS, Pediatric Daytime Sleepiness Scale; PedsQL, Pediatric Quality of Life.