Table 3.

Social media importance and daytime sleepiness (N=4153).

Predictors	Pediatric Daytime Sleepiness Scale
	Estimate, B (95% CI)	P valuea
Intercept	12.49 (12.21 to 12.77)	<.001
Gender (1)b	1.06 (0.67 to 1.44)	<.001
Age	−0.26 (−0.38 to −0.13)	<.001
Phone agec	−0.01 (−0.09 to 0.08)	.92
Social media importanced	0.36 (0.33 to 0.40)	<.001

^aStatistically significant (P<.05).

^bGender: 0 (female) and 1 (male).

^cParent-reported age of adolescent’s first smartphone.

^dSocial media importance is the subscale (technology for social interaction) on Adolescents’ Digital Technology Interactions and Importance Scale.