Table 1.
Characteristics of study participants, ERICA 2013–2014 (n= 4546)
| 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) |
BP, blood pressure; HDL-c, high density lipoprotein cholesterol
aTriglycerides were log transformed and reported as geometric mean and 95% CI
bAdiponectin was reported as median and 95% CI