Table 1

Population characteristics

Number of athletes, n (%)1070
 Males805 (75.2)
 Females265 (24.8)
 Age, years±SD19.7±6.3
Ethnicity, n (%)
 Caucasian1047 (97.9)
 Asian10 (0.9)
 Black8 (0.7)
 Hispanic5 (0.5)
Body mass index±SD21.9±3.1
Heart rate, bpm±SD64±11
Systolic blood pressure, mm Hg±SD119±11
Diastolic blood pressure, mm Hg±SD71±9
Sport, n (%)
 Football391 (37)
 Ice hockey115 (11)
 Athletics112 (10)
 Cycling84 (8)
 Basketball78 (7)
 Gymnastics61 (6)
 Other229 (21)
Mean weekly training hours±SD7.8±4.7
Years of practice±SD8.9±5.5
Level of competition, n (%)
 Regional755 (71)
 National269 (25)
 International46 (4)