Table 1.
Demographic characteristics of all participants (n = 469).
| Variables | N | % | |
|---|---|---|---|
| Sex | |||
| Males | 185 | 39.4 | |
| Females | 284 | 60.6 | |
| Preclinical versus clinical | |||
| Preclinical | 247 | 52.7 | |
| Clinical | 222 | 47.3 | |
| Academic year | |||
| 1st year | 29 | 6.2 | |
| 2nd year | 101 | 21.5 | |
| 3rd year | 117 | 24.9 | |
| 4th year | 110 | 23.5 | |
| 5th year | 112 | 23.9 | |
| Exercise | |||
| Yes | 372 | 79.3 | |
| No | 97 | 20.7 | |
| Forms of exercise | |||
| Football | 73 | 15.6 | |
| Basketball | 12 | 2.6 | |
| Tennis | 14 | 3.0 | |
| Swimming | 85 | 18.1 | |
| Walking/running | 321 | 68.4 | |
| Coffee | |||
| No | 1 | 0.2 | |
| <3 cups/week | 219 | 46.7 | |
| >3 cups/week | 249 | 53.1 | |
| Smoker | |||
| Yes | 36 | 7.7 | |
|
| |||
| Mean (SD) | Range | ||
|
| |||
| Body mass index | 24.3 (5.7) | 15.2–55.8 | |
| Height | 166.1 (9.4) | 140.0–192.0 | |
| Weight | 67.6 (19.1) | 39.5–192.0 | |
| Hours of computer use | 5.2 (2.9) | 1–16 | |