Table 3

Factors associated with the efficacy ratings of the new generic medicine for brand switchers and generic switchers

Variable	Brand switchers				Generic switchers
Variable	B	β	P values	95% CI for B	B	β	P values	95% CI for B
Age	−0.01	−0.03	0.656	−0.04 to 0.03	0.02	0.07	0.457	−0.03 to 0.06
Gender	0.53	0.07	0.304	−0.48 to 1.54	−0.98	−0.12	0.187	−2.44 to 0.48
Education level	−0.78	−0.13	0.079	−1.66 to 0.09	−0.58	−0.09	0.339	−1.77 to 0.62
Ethnicity	−1.16	−0.13	0.086	−2.49 to 0.17	0.03	0.00	0.966	−1.44 to 1.51
Time on previous brand	−0.16	−0.09	0.245	−0.42 to 0.11	−0.07	−0.04	0.677	−0.38 to 0.25
Perceived efficacy of old brand	0.16	0.13	0.083	−0.02 to 0.34	0.02	−0.01	0.891	−0.25 to 0.29
Perceived sensitivity to medicines	0.02	0.03	0.679	−0.07 to 0.10	−0.03	−0.04	0.682	−0.15 to 0.10
Trust in pharmaceutical agencies	0.09	0.26	<0.001	0.04 to 0.13	0.18	0.45	<0.001	0.11 to 0.24
Look up medicine information on internet	−0.02	−0.01	0.854	−0.18 to 0.15	−0.01	−0.01	0.959	−0.22 to 0.21
Number of side effects	−0.17	−0.24	0.002	−0.28 to –0.07	−0.27	−0.33	<0.001	−0.42 to –0.13