Table 1 Selected characteristics of the study groups. Data are averages (± SD).
Characteristics SF
(N=182)
Controls
(N=203)
Anthropometrics
Age (years) 20.1 (1.7) 20.2 (1.3)
BMI (kg·m-2) 23.0 (.3) 23.2 (.2)
Height (m) 1.77 (.07) 1.77 (.07)
Weight (kg) 71.5 (9.5) 73.1 (11.1)
Ethnicity
Ashkenazi 52.4% 46.3%
Non-Ashkenazi 41.6% 35.9%
Unknown 3.9% 17.8%
Lifestyle
Physically active 6 months before recruitment 81.2% 78.9%
   Running (km/wk) 8.0 (4.7) 7.6 (3.8)
   Practice (h/wk) 5.2 (2.5) 5.1 (2.1)
Smoking habits
   Never (%) 63.6% 64.5%
   Ever (%) 31.8% 33.1%
     Current (%) 22.7% 27.7%
     Past (%) 9.1% 5.4%
   Didn't answer (%) 4.5% 2.5%
Alcohol consumption
   Yes (%) 72.1% 67.8%
   No (%) 24.0% 29.7%
   Didn't answer (%) 3.9% 2.5%