Table 1

Characteristics of the final study cohort (subjects responding to the 1985 questionnaire with complete data)

Endurance athletes (n=166)Power speed athletes (n=235)Other athletes (n=834)Controls (n=743)
Mean (SD) age in 1985 (range) (years)61.6 (11.0)56.9 (10.9)55.4 (10.5)54.8 (10.1)
(43.2–89.7)(38.6–88.4)(35.9–93.7)(38.1–86.4)
Mean (SD) body mass index in 1985 (range) (kg/m2)24.4 (2.5)27.1 (3.5)26.1 (3.3)26.4 (3.6)
(19.2–32.5)(19.7–41.3)(16.2–43.3)(15.8–58.1)
Smoking status (n (%))
Non-smokers110 (66.3)121 (51.5)417 (50.0)211 (28.4)
Ex-smokers39 (23.5)84 (35.7)278 (33.3)345 (46.4)
Current smokers17 (10.2)30 (12.8)139 (16.7)187 (25.2)
Occupational group (n (%))
Executives9 (5.4)67 (28.5)233 (27.9)90 (12.1)
Clerical staff84 (50.6)96 (40.9)330 (39.6)197 (26.5)
Skilled workers46 (27.7)60 (25.5)236 (28.3)311 (41.9)
Unskilled workers7 (4.2)7 (3.0)12 (1.4)35 (4.7)
Farmers20 (12.1)5 (2.1)23 (2.8)110 (14.8)