Table 1

 Overweight and obesity prevalence (95% CI), for boys and girls aged 5–10 between 1974 and 2002–03 (UK specific definition)

1974198419941996–971998–992000–012002–03
Boys aged 5–7 years
n1582123812781053538449839
% overweight12.4 (10.8 to 14.0)9.4 (7.7 to 11.0)9.9 (8.3 to 11.6)14.1 (12.0 to 16.2)17.3 (14.1 to 20.5)16.5 (13.0 to 19.9)18.5 (15.8 to 21.1)
% obese1.9 (1.2 to 2.6)1.2 (0.6 to 1.8)1.7 (1.0 to 2.4)2.5 (1.5 to 3.4)3.7 (2.1 to 5.3)3.1 (1.5 to 4.7)5.2 (3.7 to 6.8)
Boys aged 8–10 years
n1909143612871036535456951
% overweight10.4 (9.1 to 11.8)10.1 (8.5 to 11.7)15.5 (13.6 to 17.5)18.4 (16.1 to 20.8)22.1 (18.5 to 25.6)26.8 (22.7 to 30.8)26.3 (23.5 to 29.1)
% obese1.8 (1.2 to 2.4)1.1 (0.6 to 1.7)3.1 (2.2 to 4.1)4.3 (3.1 to 5.6)5.6 (3.7 to 7.6)8.1 (5.6 to 10.6)6.7 (5.1 to 8.3)
Boys total (5–10 years)
n349126742565208910739051790
% overweight11.3 (10.3 to 12.4)9.8 (8.6 to 10.9)12.7 (11.5 to 14.0)16.2 (4.6 to 7.8)19.7 (17.3 to 22.0)21.7 (19.0 to 24.3)22.6 (20.7 to 24.6)
% obese1.8 (1.4 to 2.3)1.2 (0.8 to 1.6)2.4 (1.8 to 3.0)3.4 (2.6 to 4.2)4.7 (3.4 to 5.9)5.6 (4.1 to 7.1)6.0 (4.9 to 7.1)
Girls aged 5–7 years
n1460113712121060527461809
% overweight9.0 (7.6 to 10.5)8.2 (6.6 to 9.8)11.4 (9.6 to 13.2)14.9 (12.8 to 17.0)15.9 (12.8 to 19.1)16.9 (13.5 to 20.3)20.0 (17.3 to 22.8)
% obese1.0 (0.5 to 1.5)1.1 (0.5 to 1.6)2.3 (1.5 to 3.2)3.8 (2.6 to 4.9)4.4 (2.6 to 6.1)3.9 (2.1 to 5.7)5.6 (4.0 to 7.1)
Girls aged 8–10 years
n1842137712131051476496893
% overweight10.1 (8.7 to 11.5)11.5 (9.8 to 13.2)17.3 (15.2 to 19.4)20.1 (17.7 to 22.5)22.7 (18.9 to 26.5)27.8 (23.9 to 31.8)27.1 (24.2 to 30.0)
% obese1.6 (1.0 to 2.1)2.4 (1.6 to 3.2)3.1 (2.2 to 4.1)5.3 (4.0 to 6.7)6.3 (4.1 to 8.5)6.5 (4.3 to 8.6)7.6 (5.9 to 9.4)
Girls total (5–10 years)
n330225142425211110039571702
% overweight9.6 (8.6 to 10.6)10.0 (8.8 to 11.2)14.4 (13.0 to 15.7)17.5 (15.9 to 19.1)19.1 (16.7 to 21.6)22.6 (19.9 to 25.2)23.7 (21.7 to 25.8)
% obese1.3 (0.9 to 1.7)1.8 (1.3 to 2.3)2.7 (2.1 to 3.4)4.5 (3.7 to 5.4)5.3 (3.9 to 6.7)5.2 (3.8 to 6.6)6.6 (5.5 to 7.8)