Table 5. Multiple regression model of factor three against the media variable.

Variables	Coefficient (95% CI)	Standard Error	T statistic	P value
Intercept	−0.14 (−0.34 to 0.06)	0.10	−1.37	0.2
Experimental variables:
Radio
Do not use	Ref
Use	0.16 (0.05 to 0.27)	0.05	2.96	0.003
Confounders:
Age
Under 35	−0.12 (−0.29 to 0.06)	0.09	−1.33	0.2
Between 35 to 49	−0.18 (−0.34 to −0.02)	0.08	−2.15	0.03
Over 49	Ref
Sex
Female	0.30 (0.19 to 0.42)	0.06	5.14	<0.001
Male	Ref
Area
Mountain	0.03 (−0.10 to 0.17)	0.07	0.48	0.6
Seaside	0.02 (−0.11 to 0.15)	0.07	0.29	0.8
Downtown	Ref