Table 1.

The Sociodemographic Characteristics of the Study Subjects

Staff in Interventional Cardiology (n=466)Unexposed Group (n=280)P Value
Age, y±SD44±943±70.11
Men, n (%)281 (60.3%)179 (63.9%)0.32
Year of exposure work, median (quartiles)10 y (5–24)
Years of education, y±SD18±318±40.87
Lifetime effective doses, median (quartiles)
 Physicians (n=45)21 mSv (12–71)
 Nurses (n=28)7 mSv (2–21)
BMI, kg/m224.1±1.823.9±1.70.23
Current smoking, n (%)125 (26.8)64 (22.8)0.001
Heavy drinking (yes), n (%)8 (1.7)6 (2.1)0.67
  • BMI indicates body mass index.