Table 4.

Adjusted associations of screen time (hours per weekday) with depression and anxiety using multivariable logistic regression from the 2018 National Survey of Children’s Health (NSCH) dataset

		Model 1		Model 2		Model 3
Mental health outcome	Screen time	OR	95% CI	OR	95% CI	OR	95% CI
Depression
	Less than 1 hour	1		1		1
	1 hour	0.59	(0.33 – 1.04)	0.62	(0.34 – 1.12)	0.66	(0.34 – 1.28)
	2 hours	1.24	(0.76 – 2.02)	1.22	(0.34 – 1.12)	1.26	(0.71 – 2.25)
	3 hours	1.56	(0.96 – 2.53)	1.55	(0.94 – 2.57)	1.48	(0.83 – 2.63)
	4 or more hours	2.77**	(1.72 – 4.44)	2.62**	(1.60 – 4.29)	2.23*	(1.27 – 3.91)
Anxiety
	Less than 1 hour	1		1		1
	1 hour	0.67*	(0.45 – 1.00)	0.66*	(0.44 – 0.99)	0.69	(0.44 – 1.07)
	2 hours	1.11	(0.78 – 1.57)	1.08	(0.76 – 1.53)	1.14	(0.77 – 1.69)
	3 hours	1.36	(0.96 – 1.92)	1.32	(0.93 – 1.87)	1.34	(0.90 – 1.98)
	4 or more hours	2.04**	(1.45 – 2.86)	1.97**	(1.40 – 2.78)	1.85*	(1.26 – 2.72)

^*p<0.05

^**p<0.001

Abbreviation: OR, odds ratio; CI, confidence interval

^aAdjusted for sex and age

^bAdditionally adjusted for poverty level, insurance type, and parent education

Additionally adjusted for language spoken at home, race/ethnicity, household generation, family structure, comorbid conditions and emotional/behavior medications