Total Body Fat Content versus BMI in 4-Year-Old Healthy Swedish Children

Table 1

Characteristics of boys and girls studied for body composition by means of air displacement plethysmography (boys = 43, girls = 33).

	Boys	Girls
Age at measurement (yr)	4.42 ± 0.09^1	4.41 ± 0.03^2
Weight (kg)	18.9 ± 2.2	18.1 ± 2.2
Weight z-score^3	0.08 ± 1.03	−0.06 ± 0.94
Height (cm)	109 ± 4	107 ± 4
Height z-score^3	0.15 ± 0.81	−0.12 ± 0.98
BMI (kg/m^2)	15.9 ± 1.5	15.8 ± 1.1
Body fat (%)	25.2 ± 4.7	26.8 ± 4.0

Values are means ± standard deviations. BMI: body mass index.
¹Range: 4.34–4.96 yr.
²Range: 4.34–4.48 yr.
³Calculated using reference data for Swedish children [12].