Demographic characteristics of flight attendants and teachers in the respiratory symptom analysis
| Characteristic | Flight attendants | Teachers |
|---|---|---|
| (n = 1824) | (n = 331) | |
| SD, standard deviation. | ||
| Age at interview (years; mean (SD)) | 38.2 (4.8) | 40.3 (5.9) |
| Non-white (%) | 16.0 | 15.1 |
| Hispanic ethnicity (%) | 6.9 | 4.8 |
| Education: post high school (%) | 85.1 | 99.1 |
| Body mass index (kg/m2; mean (SD)) | 21.8 (2.6) | 25.8 (5.7) |
| Smoking | ||
| Never (%) | 70.4 | 66.8 |
| Ex-smoker (%) | 20.4 | 23.6 |
| Current (%) | 9.1 | 9.7 |
| Job tenure (years; mean (SD)) | 13.0 (4.9) | 11.1 (7.3) |