Table 2. Results of the Conditional logistic of watching TV and computer use in relation with sleep duration: The CASPIAN-V Study .

	Unadjusted Logistic regression		Adjusted Logistic regression a		Matched Propensity Score
	OR (95% CI)	P value	OR (95% CI) a	P value	OR (95% CI)	P value
Watching TV	1.14 (1.06, 1.22)	0.001	1.09 (1,00, 1.18)	0.050	1.13 (1.03, 1.24)	0.010
Computer use	1.41 (1.25, 1.59)	0.001	1.73 (1.51, 1.98)	0.001	1.65 (1.40, 1.94)	0.001

^a Adjusted for all variables presented in Table 1