Frequency and distribution of injury episodes occurring in competitive matches according to age
| Players (hours played) | Players injured (%) | Injury episodes (%) | Period prevalence per 1000 playing hours | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Age group (years) | 1997–98 | 1993–94 | 1997–98 | 1993–94 | 1997–98 | 1993–94 | 1997–98 | 1993–94 | 95% CI for the difference in prevalence rates |
| <16 | 59 (1856) | 108 (3656) | 18 (31) | 14 (13) | 20 (3) | 17 (5) | 10.8 | 4.6 | 0.9 to 11.3 |
| 16–19 | 192 (6427) | 217 (6272) | 78 (41) | 44 (20) | 108 (19) | 65 (17) | 16.8 | 10.4 | 2.4 to 10.5 |
| 20–24 | 205 (6185) | 269 (6617) | 102 (50) | 91 (34) | 153 (27) | 135 (36) | 24.7 | 20.4 | 0.9 to 7.7 |
| 25–29 | 196 (5488) | 223 (5387) | 113 (58) | 73 (33) | 191 (33) | 103 (28) | 34.8 | 19.1 | 10.8 to 20.5 |
| 30–34 | 99 (2507) | 115 (2395) | 51 (52) | 34 (30) | 82 (14) | 43 (12) | 32.7 | 18.0 | 6.0 to 23.5 |
| ≥35 | 52 (1024) | 43 (897) | 19 (37) | 10 (23) | 22 (4) | 10 (3) | 21.5 | 11.1 | −0.9 to 21.6 |
| Total | 803 (23487) | 975 (25224) | 381 (47) | 266 (27) | 576 (100) | 373 (100) | 24.5 | 14.8 | 7.3 to 12.2 |