Table 1 General and job characteristics of study subjects
From: Factors related to heart rate variability among firefighters
Variables | Number | Percent |
|---|---|---|
Age (year) | ||
20-29 | 58 | 9.0 |
30-39 | 234 | 36.3 |
40-49 | 272 | 42.2 |
50-59 | 81 | 12.6 |
Department | ||
Non-administrative job | ||
Fire extinguish | 336 | 52.1 |
Rescue | 62 | 9.6 |
Emergency medical service | 111 | 17.2 |
Administrative job | ||
Administration | 136 | 21.1 |
Shift work | ||
No | 120 | 18.6 |
Yes | 525 | 81.4 |
Smoking | ||
No | 514 | 79.7 |
Yes | 131 | 20.3 |
Alcohol | ||
No | 231 | 35.8 |
Yes | 414 | 64.2 |
Marital status | ||
Unmarried | 123 | 19.1 |
Married | 522 | 80.9 |
Exercise (times/week) | ||
< 3 | 342 | 53.0 |
≥ 3 | 303 | 47.0 |
BMI | ||
< 25 | 386 | 59.8 |
≥ 25 | 259 | 40.2 |