Table 1 Study population characteristics, by follow-up status
Characteristic | Baseline sample | Sample lost to follow-up | Sample with follow-up |
|---|---|---|---|
N = 11,990 | N = 9,266 | N = 2,724 | |
Patient sex, % | |||
Male | 48.1 | 47.2 | 51.2 |
Female | 51.9 | 52.8 | 48.8 |
Patient age, % | |||
18–34 years | 32.0 | 34.8 | 22.4 |
35–44 years | 16.4 | 17.1 | 14.0 |
45–54 years | 17.9 | 17.7 | 18.9 |
55–64 years | 17.2 | 16.1 | 20.9 |
≥65 years | 16.4 | 14.3 | 23.8 |
Patient payer type, % | |||
Private insurance | 14.8 | 13.8 | 18.1 |
Public program | 21.0 | 20.1 | 24.3 |
Cash | 64.2 | 66.1 | 57.6 |
Patient race/ethnicity, % | |||
African American | 10.5 | 10.7 | 9.5 |
Asian | 13.6 | 13.5 | 13.9 |
Caucasian | 43.4 | 41.8 | 49.1 |
Hispanic/Latino | 17.8 | 18.3 | 15.9 |
Other or declined to state | 14.7 | 15.7 | 11.5 |
Provider type, % | |||
Doctoral 4-year program | 77.7 | 77.8 | 77.5 |
International 2-year program | 22.3 | 22.2 | 22.5 |
Provider year of training, % | |||
Final year | 47.9 | 47.5 | 49.2 |
Next-to-last year | 52.1 | 52.5 | 50.8 |