Table 1. Sociodemographic and biometric characteristics of study subjects.
| Normal weight (n = 16) | Excess weight (n = 36)a | Test | |
| Age (years) | 14.13 (1.36) | 14.22 (1.4) | (t50 = −0.162, 0.872) |
| Years of education | 10.13 (1.36) | 10.19 (1.45) | (t50 = −0.162, 0.872) |
| Gender (male/female) | 7/9 | 10/26 | (x 2 = 1.284, 0.257) |
| SES (annual income €)b | (x 2 = 6.400, 0.171) | ||
| 0–11.533 € | 3 | 2 | |
| 11.533–18.200 € | 2 | 11 | |
| 18.200–26.548 € | 5 | 17 | |
| 26.548–41.294 € | 3 | 2 | |
| 41.294–5.585.000 € | 2 | 3 | |
| Height | 161.82 (9.87) | 161.82 (7.55) | (t50 = 0.001, 0.999) |
| Weight | 53.33 (11.02) | 75.19 (14.45) | (t50 = −5.385, 0.000) |
| BMIc | 20.26 (2.8) | 28.53 (4.07) | (t50 = −7.371, 0.000) |
a
The excess weight group is composed of participants originally classified as having overweight (n = 16) or obesity (n = 20) according to the International Obesity Task Force criteria;
b
SES: Socioeconomic status. Quintiles for SES are defined according to data from the Financial Survey for Spanish Families, http://www.bde.es/webbde/es/estadis/eff/eff.html;
c
BMI: Body mass index.