Research Article

Overweight among Four-Year-Old Children in Relation to Early Growth Characteristics and Socioeconomic Factors

Table 2

Variables obtained from the child health records at the two Child Health Centres in District A (CHC-dA) and District B (CHC-dB).

CHC-dACHC-dBP-value

Number22485
Boys, n(%)116(51.8)47(55.3)n.s
Girls, n(%)108(48.2)38(44.7)
Birth weight (kg)
 Mean(SD)3.50(0.50)3.56(0.55)n.s
 Range2.10 to 4.991.95 to 5.14
Birth length (m)
 Mean(SD)0.50(0.02)0.51(0.02)n.s.
 Range0.43–0.610.44–0.56
BMI at birth (kg/m²)
 Mean(SD)13.7(1.34)13.7(1.43)n.s
 Range9.1 to 18.68.8 to 18.3
Weight at the 4 years check-up (kg)
 Mean(SD)18.1(2.68)17.8(2.14)n.s
 Range11.6 to 28.513.5 to 26.8
Height at the 4 years check-up (m)
 Mean(SD)1.05(0.05)1.06(0.03)n.s
 Range0.9 to 1.21.0 to 1.1
BMI at the 4 years check-up (kg/m²)
 Mean(SD)16.2(1.61)15.8(1.32).08
 Range13.4 to −23.112.9 to 21.4
Change in weight from birth (kg)
 Mean(SD)14.6(2.55)14.2(1.99)n.s
 Range9.2 to 24.79.7 to 23.4
Change in BMI from birth (kg/m²)
 Mean(SD)2.5(1.86)2.1(1.61).05
 Range−2.0 to 11.2−2.2 to 7.1
Overweight at the 4 year check-up
 Number (%)45(20)8(9).03
Obesity at the 4 year check-up
 Number (%)9(4)1(1)n.s
high-growth velocity children
 Number (%)58 (20)11 (13).01
BMISDS at 4 years of age
 Mean(SD)0.14(1.20)−0.18(1.11).03
 Range−2.7 to 3.8−3.4 to 3.5
Smoking rate among mothers during pregnancy %125.07
Duration of breastfeeding from birth (months)
 Mean(SD)8 (5.3)8.5(5.1)n.s
 Range0 to 420 to 30

- BMI: Body Mass Index, - BMISDS: BMI standard deviation score or z-score, - high-growth velocity children: children with an increase in weight >16 kg (upper quartile) from birth until four years of age.