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Table 1 Descriptive characteristics of the population study, according to gender.

From: Obesity and metabolic syndrome in 7-9 years-old Portuguese schoolchildren

  Boys (n= 40) Girls (n= 42) p
Age (y) 8.7 ± 0.8 8.6 ± 0.7 0.721a
Weight (kg) 43.5 ± 6.4 41.4 ± 6.0 0.128a
Height (cm) 136.8 ± 5.9 134.2 ± 5.6 0.049a
BMI (kg/m2) 23.14 ± 2.22 22.85 ± 2.07 0.530a
z-BMI 2.00 ± 0.29 1.86 ± 0.26 0.026a
Waist circumference (cm) 74.1 ± 5.8 71.5 ± 5.9 0.044a
Systolic BP (mmHg) 117.2 ± 8.1 115.4 ± 9.8 0.402a
Diastolic BP (mmHg) 64.0 ± 10.9 61.9 ± 8.3 0.330a
HOMA-IR 1.71 ± 0.90 1.79 ± 0.89 0.798b
Birth weight (g) 3523 ± 429 3337 ± 472 0.072a
Acanthosis (n; %) 13 (32.5%) 5 (11.9%) 0.024c
Metabolic Syndrome (n; %) 6 (15.0%) 7 (16.7%) 0.836c
  1. Data presented as mean ± SD for continuous variables and as frequency (%) for dichotomous variables.
  2. a t-student test for the differences between genders.
  3. b Mann-Whitney for the differences between genders.
  4. c Chi-square test for the independence between gender and each variable.