Table 2.

Correlation of whether ophthalmologists try to switch to generics with potentially modifiable variables; positive correlations indicate that as the variable increases, so does the inclination of the provider to switch to a generic drug

Variable (question number)	Spearman correlation coefficient	Result
Patients per day (6)	−0.0408	p = 0.70
Frequency of drug representative visits (10)	0.0166	p = 0.87
Knowledge of availability of generic options for commonly prescribed drugs (11)	0.3129	p = 0.002
Knowledge of price differences between generics and brand-name drugs commonly prescribed (12)	0.2904	p = 0.005
Understanding of Food and Drug Administration approval process for generics (15)	−0.0138	p = 0.90
Awareness of which patients are struggling financially (16)	0.0154	p = 0.88
Feeling that patients prefer generics (17)	0.3983	p < 0.001
Inclination to prescribe a brand-name drug for more severe disease (18)	−0.3143	p = 0.002
Frequency of patients asking whether a new drug being prescribed is a generic or brand name (20)	0.0668	p = 0.53
Anecdotal feeling that patient outcome is improved with brand-name drugs (21)	−0.4005	p < 0.001
Desire to take a brand-name drug for own eye disease when free (22)	−0.3197	p = 0.002
Desire to take a brand-name drug for own eye disease (23)	−0.4213	p < 0.001