| Cohort, country (period of data collection) | Age of child (years) | Proportion (%) of cohort sustaining injury | |||
| Any injury | More than one injury | ||||
| Boys | Girls | Boys | Girls | ||
| Primary school age | |||||
| Cohort from South Wales, UK (1977–1980) | 5–822 | 37.2 | 26.3 | 12.5 | 7.1 |
| 1970 British Birth Cohort Study, UK (1975–1980) | 5–1047 | 49 | 34.8 | 43.9 | 31.4 |
| 1958 British Birth Cohort, UK (1966–1969) | 8–1140 | 4.1 | 2.1 | ||
| Post-primary school age | |||||
| Cohort from Baise City, China (2002–2003) | 11–1813 | 34.8 | 30.3 | 12.2 | 8.3 |
| 13–1814 | 32.6 | 27.4 | |||
| West of Scotland 11–16 study, UK (1994–1998) | 1330 | 39.2 | 28.1 | ||
| 1530 | 58.0 | 40.1 | |||
| Carolina Longitudinal Study, USA (1981–1986) | 14–1826 | 53.1 | 39.0 | ||
| 1970 British Birth Cohort Study, UK (1980–1986) | 10–1623 | 52 | 33 | ||
| 1958 British Birth Cohort, UK (1969–1974) | 12–1640 | 6.6 | 3.5 | ||
| 12–1644 | 25.3 | 11.4 | 5.3 | 1.5 | |
| 11–1641 | 30.6 | 17.3 | |||
| Combined primary and post-primary school age | |||||
| Cohort from Kampaeng Phet Province Vaccination Study, Thailand (1991–1993) | School entry to 1610 | 70.8 | 60.2 | 37.9 | 27.2 |
| Cohort from Maanshan, China (2001–2002) | 7–1312 | 32.1 | 29.1 | 9.7 | 8.4 |
Note: 1958 British Birth Cohort Study paper by Pless et al40 reported road traffic injuries only.