Table 1

Descriptive characteristics of the Swedish and Greek child cohorts
Greek children All Underweight Normal Weight Overweight Obese 1-Way ANOVA
N (boys/girls) 2308 (1163/1145) 69 (27/42) 1267 (617/650) 693 (354/339) 263 (157/106)
Age (years) 11.2 ± 0.7 11.2 ± 0.7 11.2 ± 0.7 11.1 ± 0.7 11.1 ± 0.6 ns
Body weight (kg) 45.3 ± 11.2 29.6 ± 4.3 39.1 ± 6.0 50.7 ± 6.6 64.7 ± 9.7 ***
Length (cm) 148 ± 7.9 144 ± 8.0 147 ± 7.8 150 ± 7.6 152 ± 7.5 ***
BMI z-score 0.85 ± 1.23 −1.89 ± 0.47 0.09 ± 0.71 1.76 ± 0.34 2.81 ± 0.36 ***
Swedish children and adolescents Control population Obese Patients t-test
N (boys/girls) 519 (252/267) 474 (224/250)
Age (years) 17.0 ± 0.9 12.8 ± 3.2 ***
Body weight(kg) 63.5 ± 10.0 92.9 ± 29.1 ***
Length (cm) 172.9 ± 8.9 159.1 ± 16.0 ***
BMI z-score 0.08 ± 0.83 3.54 ± 0.60 ***

Body mass index z-scores (BMI z-score) were calculated as described by Cole et al [18] using LMS variables from the international obesity task force (IOTF). Two-way analysis of variance (ANOVA) was used to compare between groups. Group means were compared to the normal weight group in the greek cohort and with the control population in the swedish cohort. *** - p < 0.0001. ns – not significant.

Rask-Andersen et al.

Rask-Andersen et al. BMC Medical Genetics 2012 13:36   doi:10.1186/1471-2350-13-36

Open Data