Table 1.
Sample demographic characteristics
| Characteristics | Number of subjects (%) |
|---|---|
| Age, mean (standard deviation), year | 28 (2.62) |
| Gender | |
| Female | 1301 (55.48) |
| Male | 1044 (44.52) |
| Ethnicity | |
| White | 1411 (60.27) |
| Asian | 478 (20.42) |
| African American | 105 (4.49) |
| Latino | 92 (3.93) |
| Arab/Middle Eastern | 42 (1.79) |
| Native American | 1 (0.04) |
| Multi racial | 207 (8.84) |
| Other | 9 (0.21) |
| Specialty | |
| Internal medicine | 528 (22.54) |
| Paediatrics | 327 (13.96) |
| General surgery | 214 (9.13) |
| Emergency medicine | 211 (9.01) |
| Family medicine | 190 (8.11) |
| Obstetrics/gynaecology | 152 (6.49) |
| Psychiatry | 127 (5.42) |
| Anaesthesiology | 119 (5.08) |
| Internal medicine/paediatrics | 64 (2.73) |
| Neurology | 45 (1.92) |
| Otolaryngology | 41 (1.75) |
| Transitional | 72 (3.07) |
| Other | 255 (10.80) |
| Marital status | |
| Single or separated | 1445 (61.62) |
| Married or engaged | 900 (38.38) |