Table 4.

Multiple linear regression results of BMI with the time usage of the three electronic media devices.

	β	95% CI		P
		Lower bound	Upper bound
Model 1
TV–BMI	0.06	−0.039	0.159	0.236
Computer–BMI	−0.121	−0.167	−0.076	<0.001
Mobile phone–BMI	−0.088	−0.138	−0.039	<0.001
Overall–BMI	−0.08	−0.109	−0.05	<0.001
Model 2
TV–BMI	−0.008	−0.105	0.089	0.896
Computer–BMI	−0.093	−0.138	−0.049	<0.001
Mobile phone–BMI	−0.055	−0.103	−0.006	0.028
Overall–BMI	−0.056	−0.085	−0.026	<0.001
Model 3
TV–BMI	−0.013	−0.121	0.094	0.805
Computer–BMI	−0.063	−0.112	−0.015	0.01
Mobile phone–BMI	−0.036	−0.088	0.017	0.181
Overall–BMI	−0.04	−0.071	−0.009	0.012
Model 4
TV–BMI	−0.011	−0.12	0.097	0.837
Computer–BMI	−0.056	−0.105	−0.008	0.024
Mobile phone–BMI	−0.047	−0.1	0.005	0.077
Overall–BMI	−0.042	−0.074	−0.011	0.008

Model 1: Simple model.

Model 2: Adjusted for age and gender.

Model 3: Adjusted for age, gender, work status, marital status, education level, and family monthly income.

Model 4: Adjusted for age, gender, work status, marital status, education level, family monthly income, drinking habits, and breakfast frequency.