From: Pulmonary function decline in firefighters and non-firefighters in South Korea
Variables | Firefighters (n = 322) | Non-firefighters (n = 107) | p | ||
---|---|---|---|---|---|
Character | Mean | SD* | Mean | SD | p |
Age (years) | 43.6 | 6.9 | 44.1 | 10.1 | 0.645 |
Height (cm) | 172.3 | 4.7 | 167.8 | 6.3 | < 0.001 |
Weight (kg) | 72.1 | 8.0 | 65.1 | 9.1 | < 0.001 |
Waist circumference (cm) | 84.3 | 5.1 | 79.7 | 5.0 | < 0.001 |
Body mass index (kg/m2) | 24.2 | 2.2 | 23.0 | 2.6 | < 0.001 |
Exposure (years) | 6.1 | 7.8 | 9.0 | 7.6 | 0.001 |
Weight change (kg) | 0.8 | 3.3 | 0.3 | 2.9 | 0.185 |
n | % | n | % | ||
Physical activity (times/week) | |||||
< 3 | 95 | 29.5 | 61 | 58.1 | < 0.001 |
≥3 | 227 | 70.5 | 44 | 41.9 | < 0.001 |
Smoking | |||||
Yes | 38 | 11.8 | 45 | 42.9 | < 0.001 |
No | 284 | 88.2 | 60 | 57.1 | < 0.001 |