|
Study population characteristics for boilermaker participants (n = 26) |
|
| Characteristics |
Mean ± SD or n (%) |
|
|
|
| Male |
26 (100) |
| Age (yrs)a |
43 ± 11 |
| Range |
29 – 64 |
| Race |
|
| White |
21 (81) |
| Black |
1 (4) |
| Hispanic |
3 (12) |
| Asian |
1(4) |
| Current Smoker |
7 (26) |
| Hypertensive |
5 (20) |
| Nightb rMSSD (msec) |
|
| Workdayc |
30.3 ± 16.0 |
| Non-workdayc |
32.0 ± 16.0 |
|
aAt study entry. b(00:00 to 07:00) cOver 31 measurement occasions. | |
Cavallari et al. Environmental Health 2008 7:36 doi:10.1186/1476-069X-7-36 |
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