Table 4.

Estimates from logistic regression on reporting of sleep problems among adolescents and young adults by interaction between sex and time spent on mobile phone

Background characteristics	Adolescents	Young adults
	AOR(95% CI)	AOR(95% CI)
Sex # Time spent on mobile phone
Male # No time spent on mobile phone®
Male # Spent 1 to 2 hour on mobile phone	0.92 (0.7 1.21)	0.63**(0.44 0.92)
Male # Spent 3 or more hour on mobile phone	1.13 (0.8 1.61)	0.77 (0.51 1.14)
Female # No time spent on mobile phone	1.54***(1.17 2.03)	1.42*(0.98 2.06)
Female # Spent 1 to 2 hour on mobile phone	2.11***(1.63 2.73)	1.66***(1.15 2.38)
Female # Spent 3 or more hour on mobile phone	2.94***(1.97 4.38)	2.36***(1.59 3.51)
Constant	0.12***(0.07 0.2)	0.16***(0.11 0.25)

Interaction analyses were performed after controlling for selected background characteristics

AOR Adjusted odds ratio, CI Confidence Interval,® Reference category

^*p < 0.1

^**p < 0.05

^***p < 0.01