Characteristic | Before Period (n = 180) | Diffusion Period (n = 87) | After Period (n = 165) | PValue* |
---|---|---|---|---|
PSA = prostate-specific antigen. | ||||
* Calculated across the 3 time periods using the Kruskal-Wallis test. | ||||
† Aggregate P value for population characteristic. | ||||
Age, mean, years | 58 | 57 | 56 | 0.13 |
Race, % | ||||
White | 89 | 91 | 93 | 0.59 |
African American | 3 | 2 | 2 | 1.00 |
College education or higher, % | 85 | 85 | 82 | 0.64 |
Prior testing for PSA, % | 70 | 70 | 65 | 0.41 |
Type of physician seen, % | 0.02† | |||
Faculty | 77 | 70 | 65 | |
Second-year resident | 7 | 12 | 18 | |
Third-year resident | 16 | 18 | 16 | |
Group randomized to, % | 0.39† | |||
Control | 17 | 16 | 13 | |
Brochure decision aid | 39 | 32 | 43 | |
Web-based decision aid | 44 | 52 | 44 |