Table 3.

Correlation between E-cigarettes usage and different variables using simple and multivariant linear regression (n = 984)

Variables	Linear regression		Multivariable regression
	Beta	P-value	Beta	P-value
Gender, ref = male	−0.885	<0.001	−0.981	<0.001
Social status, ref = married
Single	0.145	0.001	0.205	0.003
Level of knowledge *, ref = moderate level
Low level	−0.374	0.202	−0.364	0.252
High level	1.885	0.011	1.995	0.001
Believe about E-cig safety compared with tobacco, ref = neutral
Agree	1.224	<0.001	1.285	<0.001
Strongly Agree	1.208	0.001	1.442	<0.001
Disagree	−1.303	0.016	−1.344	0.001
Strongly Disagree	−1.235	0.044	−1.332	0.047
Believe about the use of E-cig as a smoking cessation aid, ref = neutral
Agree	0.524	0.048	0.664	0.040
Strongly Agree	1.576	<0.001	1.895	<0.001
Disagree	−0.484	0.292	−0.869	0.322
Strongly Disagree	−0.625	0.406	−0.755	0.521
Believe about the cost-effectiveness of E-cig, ref = neutral
Agree	0.441	0.028	0.422	0.029
Strongly Agree	0.125	0.031	0.225	0.039
Disagree	−0.662	0.197	−0.712	0.227
Strongly Disagree	−0.361	0.701	−0.895	0.821

^*Level of knowledge from participants’ perception. Significance (P < 0.05) was presented in bold numbers.