Factors associated with problematic internet use among a large sample of Lebanese adolescents

BMC Pediatrics

Table 5 Multivariable analysis for the IAT variable

	Unstandardized beta	Standardized beta	p-value	95% Confidence interval
	Unstandardized beta	Standardized beta	p-value	Lower	Upper
Model 1: Linear regression taking the internet addiction test score as the dependent variable and the scales used as independent variables.
Alcohol dependence (AUDIT score)	0.962	0.441	< 0.001	0.838	1.085
Waterpipe dependence (LWDS total score)	−0.420	−0.205	< 0.001	−0.576	− 0.265
Cigarette dependence (FTND total score)	0.152	0.024	0.531	−0.325	0.630
Depression	0.741	0.082	0.001	0.313	1.168
Model 2: Linear regression taking the internet addiction test score as the dependent variable and the sociodemographic variables and the scales used as independent variables.
Alcohol dependence (AUDIT score)	0.994	0.456	< 0.001	0.860	1.128
Waterpipe dependence (LWDS total score)	−0.446	−0.218	< 0.001	−0.603	− 0.290
Cigarette dependence (FTND total score)	0.417	0.066	0.117	−0.104	0.937
Depression	0.714	0.079	0.001	0.286	1.143
Age	0.495	0.031	0.184	−0.235	1.225
Gender (Female vs male^a)	0.667	0.018	0.437	−1.015	2.349
Parents status (Separate vs living together^a)	7.485	0.136	< 0.001	4.816	10.153
Smoking status (Yes vs No^a)	0.351	0.008	0.833	−2.916	3.619

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