| Demographic variables | Total sample (n = 349) percent/mean (SD) | Attendings (n = 217) percent/mean (SD) | House officers (n = 132) percent/mean (SD) | p Value |
| Mean age in years† | 40.8 (11.8) | 47.4 (10.2) | 30.4 (4.4) | 0.000** |
| Percent men‡ | 68.0% | 76.9% | 53.4% | 0.000** |
| Race‡ | ||||
| Asian | 26.3% | 25.7% | 27.3% | |
| White | 57.0% | 63.3% | 47.0% | 0.001** |
| Other | 16.7% | 11.0% | 25.8% | |
| Practice specialty‡ | 0.000** | |||
| General medicine and geriatrics | 56.4% | 52.6% | 63.7% | |
| All others practice specialties | 29.4% | 27.2% | 33.6% | |
| Cardiology and critical care | 14.1% | 20.2% | 2.7% | |
| Religion‡ | 0.038* | |||
| Any religion | 83.9% | 87.1% | 78.6% | |
| No religion | 16.1% | 12.9% | 21.4% | |
| Frequency of religious services‡ | 0.000** | |||
| Less than weekly | 77.1% | 69.7% | 88.6% | |
| Weekly or more | 22.9% | 30.3% | 11.4% | |
| Number of DNR patients cared for in a month‡ | 0.000** | |||
| 0 | 21.9% | 28.4% | 11.4% | |
| 1–2 | 27.7% | 31.6% | 21.2% | |
| 3–5 | 25.6% | 17.2% | 39.4% | |
| 6–10 | 14.1% | 10.2% | 20.5% | |
| 11–20 | 5.8% | 7.0% | 3.8% | |
| more than 20 | 4.9% | 5.6% | 3.8% | |
| Country of birth and medical training‡ | 0.375 | |||
| US born or US trained | 70.7% | 69.0% | 73.5% | |
| Foreign born and trained | 29.3% | 31.0% | 26.5% |
DNR, Do Not Resuscitate.
†t test, ‡χ2
*p<0.05, **p<0.001.