Of the 5,366 flight attendants who participated in the study, just over 1
About 3.4% of flight attendants had breast cancer, compared with 2.3% in the general population.
The flight crew rate was 0.15% compared to 0.13% for uterine cancer; 1% compared to 0.70% for cervical cancer; 0.47% compared to 0.27% for gastric or colon cancer; and 0.67% compared to 0.56% for thyroid cancer
. Male crews had higher rates of skin cancer.
Flight crews are routinely exposed to known and likely carcinogens, including cosmic cosmic rays, circadian rhythm disorders, and chemical contaminants. Over 80% of the flight attendants participating in the study were women. On average, the participants were 51 years old and had worked for over 20 years.