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Table 1 Characteristics of study participants, ERICA 2013–2014 (n= 4546)

From: Higher adiponectin concentrations are associated with reduced metabolic syndrome risk independently of weight status in Brazilian adolescents

Characteristics Weighted mean or frequency (95% CI)
Study centers, %
 Fortaleza 24.4 (23.1, 25.6)
 Rio de Janeiro 32.8 (31.4, 34.1)
 Porto Alegre 18.1 (31.4, 34.1)
 Brasília 24.7 (23.5, 26.0)
Female sex, % 61.2 (59.8, 62.6)
Age, years 14.9 (14.8, 14.9)
Skin color, %
 White 39.9 (36.5, 43.4)
 Black 9.2 (7.5, 11.3)
 Others (mixed, native or yellow) 50.9 (48.2, 53.5)
Public School, % 66.5 (55.9, 75.6)
Socioeconomic status (tertile), %
 First (poorest) 36.9 (33.1, 40.9)
 Second 27.6 (25.3, 30.1)
 Third 35.5 (30.6, 40.7)
Skip breakfast, % 51.0 (48.2, 53.9)
Physical inactivity, % 47.5 (44.8, 50.3)
Body mass index, kg/m2 21.7 (21.4, 21.9)
Waist circumference, cm 72.8 (72.1, 73.6)
Systolic BP, mmHg 110.8 (110.1, 111.5)
Diastolic BP, mmHg 65.8 (65.3, 66.3)
Mean BP, mmHg 80.8 (80.2, 81.3)
HDL-c, mg/dl 47.7 (47.2, 48.3)
Triglycerides (log)a, mg/dl 70.3 (69.0, 71.5)
Fasting plasma glucose, mg/dl 86.9 (86.5, 87.4)
Metabolic syndrome, z-score − 0.05 (− 0.22, 0.13)
Adiponectinb, µg/ml 13.4 (12.8, 14.00)
  1. BP, blood pressure; HDL-c, high density lipoprotein cholesterol
  2. aTriglycerides were log transformed and reported as geometric mean and 95% CI
  3. bAdiponectin was reported as median and 95% CI