4% (38 of 45)         Tennis   Motor skills demanding Figure skat

4% (38 of 45)         Tennis   Motor skills demanding Figure skating Ski jumping Snow boarding 100% (25 of 25) Motor skills demanding Shooting Archery Sailing Fencing 91.7% (44 of 48)         Horse riding Gymnastics   Team sports Ice hockey (women) 94.7% (36 of 38) Team sports Volleyball (men) Volleyball (women U-17) 97.4% (75 of 77)   Ice hockey (men U-20)     Volleyball (men U-17) Handball (women U-17)           Hanball (men U-17)           Basketball (women U-17)           Basketball (men U-17)   Table 2 Characteristics of the study groups   All athletes   Speed and power events Endurance events Motor skills demanding events

Team sport events   2002 2009 2002 Thiazovivin supplier 2009 2002 2009 2002 2009 2002 2009   N = 446 N = 372 N = 113 N = 112 N = 108 N = 80 N = 73 N = 69 N = 152 N = 111 Sex (men/women) 261/185 218/154

82/31 74/38 62/46 45/35 45/28 40/29 72/80 59/52 Mean (SD) age (yr) 23(4.5) 21.2 (4.3) 23.8 (4.1) 21.8 (3.7) 23.6 (4.0) 23.5 (4.1) 23.6 (6.5) 21.4 (4.7) 21.6 (3.6) 18.7 (3.7) Mean (SD) duration of 11.7 (4.3) 10.2 (4.5) 12.2 (3.7) 10.8 (4.5) 12.4 (4.6) 11.8 (5.0) 11.9 (5.0) 10.2 (4.2) 10.8 (4.1) 8.2 (3.4) active sport career (yr)                     Mean (SD) training amount (h-wk ˉ¹) 15 (6) 14 (5) 15 (4) 14 (4) 17 (5) 16 (4) 15 (7) 14 (5) 14 (6) 13 (6) Response rate (%) 90.3 91.9 89.0 86.2 90.8 92.0 82.0 94.5 selleck kinase inhibitor 95.6 96.5 Questionnaire Athletes in our study answered a semi-structured questionnaire, which was based on the Finnish national health survey Health 2000 coordinated by the National Institute for Health and Welfare. Tyrosine-protein kinase BLK The initial questionnaire was tested on national level ice-hockey players and track and field athletes (n = 30) who were not included in the final study. Researcher represented the study to athletes and answered to athlete’s questions if clarifications were required.

Athletes filled a structured questionnaire after accepting written informed consent. Athletes who received the questionnaire by mail were given the possibility to consult a researcher by phone or this website e-mail. Athletes filled the questionnaire anonymously. Ethical approval for the study was granted by the ethical committee of University of Turku, Finland. Questions concerned athlete’s dietary supplement use. Athletes were asked to name all vitamins, minerals, nutritional supplements and herbal as well as homeopathic preparations used during previous 12 months. Dietary supplements were categorized into subgroups for further analysis. The categorization was identical to a Canadian study concerning elite athlete’s medication and dietary supplement use in Atlanta and Sydney Olympic games [6].

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