childhood obesity, although the strength of the association is unknown. METHODS: We
performed a cohort study using routine data from health screening examinations at primary
school entry (5–6 years old) in Scotland, linked to a nationwide hospital admissions
database. A subgroup had a further screening examination at primary school exit (11–12
years old). RESULTS: BMI was available for 597 017 children at 5 to 6 years old in school …