Table 1.

General and ocular characteristics of the children (n = 5931)

	All
Child characteristics
Age child at ocular measurements (years)	6.2 (0.5)
Female sex (%)	50.1 (2970)
Birth weight (grams)	3427 (552)
Gestational age (weeks)	39.8 (1.8)
Height at 6 years (m)	1.20 (6.0)
Weight at 6 years (kg)	23.3 (4.3)
Head circumference at 6 years (cm)	51.4 (1.6)
Axial length (mm)	22.36 (0.75)
Average corneal radius (mm)	7.77 (0.26)
Average AL/CR ratio	2.88 (0.08)
European ethnicity (%)	66.8 (3963)

Values are means (S.D.) or percentages (absolute numbers).