From: Firefighters and on-duty deaths from coronary heart disease: a case control study
CHD Deaths (n = 52) % (n) |
Trauma Deaths (n = 51) % (n) |
P-value OR@
(95% CI$) | |
---|---|---|---|
Strenuous Physical Activity on the job in the preceding 12 hours | 67 (35) | 39 (20) | 0.004 3.2 (1.4–7.2) |
Possible Smoke Exposure at Incident | 42 (22) | 31 (16) | 0.25 1.6 (0.7–3.6) |
Last Job Activity: | |||
Fire Suppression | 36 (19) | 31 (16) | |
Training | 17 (9) | 8 (4) | 0.002 1 |
Fire House | 14 (7) | 0 | |
EMS¶ or Other Non-Fire Emergency | 12 (6) | 6 (3) | |
Alarm Response | 10 (5) | 33 (17) | |
Returning from Alarm | 10 (5) | 6 (3) | |
Desk Duty (Light Duty) | 2 (1) | 0 | |
Inspection or Investigation | 0 | 6 (3) | |
Maintenance | 0 | 8 (4) | |
Non-emergency Transit | 0 | 2 (1) | |
Carboxyhemoglobin Post Incident: | |||
<3 % | 76 (13/17) | _____ | _____ |
3–4.9 % | 18 (3/17) | ||
5–10 % | 6 (1/17) | ||
Hours on Duty Prior to Symptoms (Professionals Only): | |||
0–3.9 | 24 (7/29) | _____ | _____ |
4–7.9 | 28 (8/29) | ||
8–11.9 | 17 (5/29) | ||
12–15.9 | 10 (3/29) | ||
16–19.9 | 7 (2/29) | ||
20–23.9 | 0 | ||
>24 | 14 (4/29) | ||
Workshift Type (Professionals Only): | |||
24 hour | 34 (11/32) | _____ | _____ |
Rotating, night or evening | 23 (8/32) | ||
Overtime | 22 (7/32) | ||
On Call | 9 (3/32) | ||
Regular, Daytime | 6 (2/32) | ||
48 hour | 3 (1/32) |