Table 4

Factors associated with side effect reporting for brand switchers and generic switchers

VariableBrand switchersGeneric switchers
BβP values95% CI for BBβP values95% CI for B
Age0.060.180.0170.01 to 0.100.010.040.671−0.05 to 0.07
Gender1.410.140.0470.02 to 2.79−0.96−0.100.347−2.99 to 1.06
Education level−1.61−0.200.008−2.81 to –0.42−1.04−0.130.210−2.68 to 0.60
Ethnicity−0.39−0.030.680−2.23 to 1.46−1.23−0.120.229−3.24 to 0.79
Time on previous brand−0.50−0.200.007−0.86 to –0.140.070.030.766−0.37 to 0.50
Perceived efficacy of old brand0.210.120.102−0.04 to 0.460.130.080.461−0.24 to 0.51
Perceived efficacy of new generic−0.33−0.240.002−0.53 to –0.13−0.52−0.42<0.001−0.79 to –0.24
Perceived sensitivity to medicines−0.04−0.050.486−0.16 to 0.080.030.040.718−0.14 to 0.20
Trust in pharmaceutical agencies−0.01−0.020.760−0.07 to 0.060.060.130.245−0.04 to 0.17
Look up medicine information on internet−0.05−0.030.664−0.28 to 0.180.160.120.282−0.13 to 0.46