|
| Odds Ratio | 95% Confidence Interval |
| Respirator use comparing fire department size > 20 with 1 - 10 | 0.186 | 0.035 - 0.974 |
| Fireground monitoring prior to respirator doffing comparing former versus never smokers | 1.719 | 1.050 - 2.813 |
| Fireground monitoring prior to respirator doffing comparing < 10 versus > 10 years of service | 1.690 | 1.012 - 2.558 |
| First Responder/EMT/Paramedic duty comparing African American versus Caucasian ethnicity | 3.824 | 1.127 - 12.981 |
| First Responder/EMT/Paramedic duty comparing < 10 versus > 10 years of service | 0.435 | 0.196 - 0.967 |
| HAZMAT job duties comparing African American versus Caucasian ethnicity | 0.283 | 0.090 - 0.890 |
| Non-fire respirator use comparing < 10 versus > 10 years of service | 1.939 | 1.240 - 3.034 |
| SCBA type respirator comparing 100 - 250K versus < 10K square miles response area | 4.964 | 1.243 - 19.827 |
| Written respiratory protection program comparing > 250K versus < 10K square miles response area | 0.444 | 0.219 - 0.901 |
| OSHA 1910.134 compliance comparing Other versus Caucasian ethnicity | 0.169 | 0.058 - 0.497 |
| Annual fit testing comparing Other versus Caucasian ethnicity | 0.372 | 0.144 - 0.960 |
| Annual fit testing comparing 25 - 50K versus < 10K square miles response area | 0.336 | 0.119 - 0.950 |
| Qualitative fit testing comparing < 10 versus > 10 service years | 0.540 | 0.321 - 0.907 |
| Quantitative fit testing comparing < 10 versus > 10 service years | 2.160 | 1.296 - 3.600 |
| Occupational medicine physician assessment comparing 50 - 100K versus < 10K response area | 2.847 | 1.022 - 7.933 |
| Annual medical fitness testing comparing former versus never smoker | 0.600 | 0.385 - 0.933 |
| Annual medical fitness testing comparing African American versus Caucasian ethnicity | 3.222 | 1.025 - 10.128 |
| Annual medical fitness testing comparing > 250K versus < 10K square miles response area | 0.528 | 0.312 - 0.894 |
| Medical fitness with questionnaire only comparing > 250K versus < 10K square miles area | 0.483 | 0.249 - 0.937 |
| Medical fitness with questionnaire and physical comparing volunteer versus career firefighter type | 0.122 | 0.020 - 0.760 |
| Medical fitness with questionnaire and physical comparing department size > 20 versus 1 - 10 | 0.090 | 0.011 - 0.722 |
| Medical fitness with physical only comparing department size > 20 versus 1 - 10 | 9.232 | 1.511 - 56.394 |
| Medical fitness with physical only comparing 50 - 100K versus < 10K square miles response area | 0.348 | 0.145 - 0.833 |
| Medical fitness with spirometry comparing volunteer/career versus career firefighter type | 0.081 | 0.016 - 0.405 |
| Medical fitness with spirometry comparing > 250K versus < 10K response area | 0.363 | 0.185 - 0.712 |
| Medical fitness with all modalities comparing fire department size > 20 with 1 - 10 | 0.114 | 0.014 - 0.943 |