| Agwu (2004), UK28 | All children in one school year (Sept 1999 to Aug 2000) in the Sandwell district (87 schools) were eligible | 3474 (90%) | 1729 (50%) | A single measurement of reception-class children aged 4 to 5 |
| Caucasian 75% |
| Other ethnicity 25% |
| Ahmed (1995), UK30 | All Oxfordshire children measured as part of their routine development checks were eligible. The study took place from 1988 to 1994 | 20 338 (66%) | 11 808 (58%) | A single measurement of two groups of children, aged 3 years (n = 11 603) and 4.5 years (n = 11 477).2742 of these children were measured at both ages to determine height velocity |
| Aszkenasy (2005), UK34 | Audit of all children in the area measured as per routine school-entry height-monitoring policy over three school entry years: (1999–2001) | 9338 (83%) | NR | A single measurement of three cohorts of children at primary-school entry |
| Banerjee (2003), UK18 | Audit of all children born between September 1992 and August 1993 and measured in the school year September 1998 to August 1999 in the Rhondda and Taff Ely area | 1592 (68%) | NR | A single measurement of children aged around 6 years (range 5 years 3 months to 6 years 8 months) |
| Cernerud (1994), Sweden36 | Random samples of school classes receiving routine health-surveillance height monitoring were selected | 7129 (NR) | NR | A single measurement of two groups of children, aged 10 (n = 3239) and 14 (n = 3890) |
| de la Puente (1999), Spain29 | Primary care teams linked to three hospitals in the province of Barcelona were invited to participate. The eight that elected to participate had to screen all children born between 1986 and 1987 under their jurisdiction | 2084 (45%) | 1093 (52%) | A single measurement of a group of children aged between 5 and 8: aged 5 years (n = 10), 6 years (n = 811), 7 years (n = 1234) and 8 years (n = 26) |
| Hearn (1995), UK37 | All primary and secondary school entrants in Hackney over three school entry years (1990–1992) were eligible | 9549 (79%) | NR | A single measurement of two groups of children. Primary school entrants had a mean age of 5 years 3 months (n = 6421). Secondary school entrants group had a mean age of 11 years 8 months (n = 3128) |
| Keller (2002), Germany38 | Height data submitted over a two-year period from Sept 1998 by paediatricians in practice, or in paediatric group practice or public health school physicians participating in the CrescNet collaborative network were eligible | 60 984 (NR) | 31 021 (51%) | Data were reported for children and adolescents who had been measured at least once. Males had a mean age of 8.15 years (range 0–18.77 years) and females had a mean age of 8.3 years (range 0–19.28 years) |
| Lacey (1974), UK35 | All children born during 1960–62 to mothers living in Newcastle were eligible | 2256 (45%) | NR | A single height measurement at the age of 10 |
| Lindsay (1994), US31 | Schools from the state of Utah were randomly selected and invited to participate. 251 schools representing 38/40 school districts agreed and were required to measure all children from kindergarten to fifth grade | 11 4881 (81%) | 59 087 (51%) | Serial measurements were taken to assess height and growth velocity. The first measurement was of children aged between 5 and 11. 79 495 of these children participated in the second measurement 12 months later. |
| Vimpani (1981), UK33 | All second and third year (and fourth in Aberdeen) primary-school pupils attending education authority and some independent schools in Edinburgh, Glasgow and Aberdeen were screened over 5 months in 1975–6 | 48 221 (NR) | 24 670 (51%) | A single height measurement of children aged between 6 and 9 years. |
| Voss (1992), UK32 | All children in the districts of Winchester and Southampton entering local authority primary schools in two consecutive years (1985/7) were eligible | 14 346 (100%) | NR | Single height measurement in children at school entry aged 5 |