Table 1.
Characteristics of the Harvard Flight Attendant Health Study cohort (2014–2015).
| Participant characteristics | Counts or Medians (total n = 4,549) | Percent or standard deviation |
|---|---|---|
| Sex | ||
| Female | 3,612 | 79.4% |
| Male | 937 | 20.6% |
| Age (years) | 50 | 11.27 |
| Race/ethnicitya | ||
| Hispanic, Latino | 411 | 9% |
| Asian | 214 | 4.7% |
| Black | 179 | 3.9% |
| Native American | 22 | 0.5% |
| White | 3,665 | 80.6% |
| Other | 282 | 6.2% |
| Missing/Don't Know | 187 | 4.1% |
| Education | ||
| High school or less | 444 | 9.8% |
| Some college or Associate's degree | 2,049 | 45% |
| Bachelor's degree | 1,559 | 34.3% |
| Graduate school | 361 | 7.9% |
| Missing | 179 | 3.9% |
| Current smoker (yes) | 402 | 8.8% |
| Job tenure (median years) | 18 | 11.51 |
| Survey type | ||
| Canadian | 566 | 12.4% |
| U.S. | 3,983 | 87.6% |
a
Categories are not mutually exclusive.