Table 1

Characteristics of volunteers

nAge (years)Weight (kg)Height (m)BMI (kg/m2)Training status*Race time (min)
Values are mean (SD).
*Training status: 1, 0 to 20 miles a week; 2, 20 to 40 miles a week; 3, 40 to 60 miles a week; 4, >60 miles a week.
BMI, body mass index.
Male2739 (12)77.7 (11.6)1.78 (0.08)24.5 (2.9)2.3 (0.7)238 (37)
Female738 (9)57.1 (10.4)1.65 (0.10)20.8 (1.7)2.1 (1.1)257 (24)
Total3438 (11)73.5 (14.1)1.75 (0.10)23.7 (3.0)2.3 (0.8)241 (35)