Table 1

Characteristics and adiposity measurements among 1110 Project Viva participants at ages 6.5-10.9 years1
Variable N Normal weight (n=826) Overweight (n=149) Obese (n=135)
Mean (SD)/%
Mother/Family
Smoked during pregnancy 1069 8.8% 7.1% 20.3%
Completed college 1104 71.3% 70.3% 45.9%
Multiparous 1110 51.7% 52.4% 56.3%
Annual household income > $70,000 1006 66.0% 69.3% 42.3%
Prepregnancy BMI (kg/m2) 1104 23.8 (4.5) 25.9 (5.2) 28.8 (7.3)
Child
Female 1110 49.5% 54.4% 48.2%
Race/ethnicity 1108
  Asian 4.0% 3.4% 0.0%
  Black 13.7% 15.4% 37.8%
  Hispanic 3.5% 4.0% 8.9%
  White 67.2% 66.4% 37.8%
  More than one race/other 11.5% 10.7% 15.6%
Height (cm) 1110 127.6 (7.2) 130.9 (8.4) 134.0 (8.3)
Weight (kg) 1110 26.0 (4.1) 32.8 (5.6) 43.0 (10.5)
BMI (kg/m2) 1110 15.9 (1.2) 19.0 (1.0) 23.6 (3.5)
BMI z-score 1110 −0.05 (0.73) 1.31 (0.17) 2.07 (0.28)
Leg Length 1109 59.7 (4.6) 61.3 (5.5) 63.3 (5.8)
Waist circumference (cm) 1106 56.6 (4.1) 64.5 (5.0) 76.1 (9.4)
Hip circumference (cm) 1094 65.3 (4.7) 72.7 (6.0) 82.5 (8.5)
Subscapular skinfold thickness (mm) 1103 6.3 (2.0) 10.7 (7.5) 18.7 (7.2)
Triceps skinfold thickness (mm) 1106 9.6 (2.8) 14.5 (3.6) 20.6 (5.3)
BIA fat mass (kg) 1109 4.3 (1.7) 7.8 (2.3) 14.5 (5.9)
BIA % fat 1109 16.2 (4.3) 23.6 (4.2) 32.7 (6.5)
BIA fat-free mass (kg) 875 21.7 (3.1) 25.0 (3.9) 28.2 (5.3)
DXA total fat mass (kg) 875 5.8 (1.6) 9.1 (2.2) 15.0 (4.8)
DXA trunk fat (kg) 875 1.8 (0.6) 3.1 (1.0) 5.8 (2.3)
DXA % fat 875 22.2 (4.5) 27.8 (4.4) 34.8 (5.2)
DXA fat-free mass (kg) 875 20.3 (3.2) 23.7 (3.8) 27.5 (5.4)

1 Abbreviations as follows: BIA bioelectrical impedance. Normal weight, overweight, and obese defined as BMI z-score <85th percentile, 85th-<95th percentile, and ≥95th percentile, respectively.

Boeke et al.

Boeke et al. BMC Pediatrics 2013 13:99   doi:10.1186/1471-2431-13-99

Open Data