Present participation in different sports in never-, occasional- and daily-smoking adolescents, aged 13–18 years, attending both questionnaire and spirometry in the YOUNG-HUNT study
| Type of sport | Males | Females | ||||||
| Never smokers | Occasional smokers | Daily smokers | Total | Never smokers | Occasional smokers | Daily smokers | Total | |
| Individual high endurance sports (cross-country skiing, cycling, running) | 392 (84) | 44 (9) | 30 (6) | 466 (100) | 252 (79) | 50 (16) | 18 (6) | 320 (100) |
| Individual low endurance sports (slalom, ski jumping, horseback riding, gymnastics) | 173 (81) | 21 (10) | 20 (9) | 214 (100) | 332 (71) | 98 (21) | 40 (9) | 470 (100) |
| Body-building and fight sports (body-building, weight lifting, wrestling, judo, karate and similar fight sports) | 117 (63) | 37 (20) | 32 (17) | 186 (100) | 39 (61) | 17 (27) | 8 (13) | 64 (100) |
| Swimming | 86 (74) | 15 (13) | 16 (14) | 117 (100) | 74 (71) | 22 (21) | 8 (8) | 104 (100) |
| Team sports (football/soccer, handball, basket ball, volley ball) | 758 (81) | 114 (12) | 68 (7) | 940 (100) | 704 (78) | 146 (16) | 56 (6) | 906 (100) |
Data are presented as n (%). Adolescents who reported ever having asthma were excluded. n=6811 students