Table 1

Percentage of GIGS sample falling above the 90th and below the 10th centile for weight, length, and body mass index, relative to “revised UK 1990” growth references (expected frequency, 10%)

Age (months)WeightLengthBody mass index
< 10th> 90th< 10th> 90th< 10th> 90th
BoysGirlsBoysGirlsBoysGirlsBoysGirlsBoysGirlsBoysGirls
18.8  (6)15.5  (9)10.3  (7)1.7  (1)13.2  (9)12.1  (7)8.8  (6)5.2  (3)2.9  (2)1-150 10.3  (6)4.4  (3)1-150 5.2  (3)
36.1 (4)13.8 (8)15.2 (10)3.4 (2)9.1 (6)15.5 (9)1-150 10.6 (7)5.2 (3)1-150 6.1 (4)6.9 (4)10.6 (7)1.7 (1)
126.0 (4)10.9 (6)16.4 (11)9.0 (5)7.5 (5)7.3 (4)22.4 (15)10.9 (6)4.5 (3)12.7 (7)13.4 (9)7.3 (4)
243.0 (2)10.6 (8)15.4 (4)10.6 (3)4.6 (3)1-150 4.3 (2)21.5 (14)1-150 10.6 (5)3.1 (2)17.0 (8)6.2 (4)6.4 (3)
  • Values are % (n).

  • 1-150 p < 0.05 (χ2 goodness of fit).