Tracking of anthropometric characteristics from childhood to adolescence: an 8-year follow-up findings from the Czech ELSPAC study

Table 2 Tracking coefficients for anthropometric circumferences, indices and skinfold thicknesses at the ages of 8 y, 11 y, 13 y and 15 y

Study variables	Tracking coefficient	95% CI	Standard error	p-value
Circumferences
Head (cm)	0.62	0.50 to 0.74	0.06	< 0.001
Chest (cm)	0.40	0.36 to 0.43	0.02	< 0.001
Waist (cm)	0.59	0.56 to 0.62	0.02	< 0.001
Hips (cm)	0.40	0.37 to 0.43	0.02	< 0.001
Arm (cm)	0.44	0.36 to 0.55	0.05	< 0.001
Indices
Body-mass index (kg/m²)	0.67	0.64 to 0.70	0.01	< 0.001
Waist-to-hip ratio	0.41	0.29 to 0.57	0.08	< 0.001
Waist-to-height ratio	0.74	0.68 to 0.79	0.03	< 0.001
Skinfolds
Biceps (mm)	0.78	0.67 to 0.87	0.05	< 0.001
Triceps (mm)	0.81	0.78 to 0.83	0.01	< 0.001
Subscapula (mm)	0.86	0.84 to 0.88	0.01	< 0.001
Suprailiaca (mm)	0.81	0.78 to 0.83	0.01	< 0.001
Thigh (mm)	0.72	0.68 to 0.75	0.02	< 0.001
Sum5skinfolds (mm)	0.83	0.81 to 0.85	0.01	< 0.001

ISSN: 1471-2458