Table 1.
Distribution of participants according to the independent variables. First wave of the DESKcohort project, 2020.
| Girls (n = 3814) |
Boys (n = 3505) |
|||
|---|---|---|---|---|
| n | % | n | % | |
| Age [mean (SD)] * | 15.3 | 1.7 | 15.3 | 1.7 |
| Course | ||||
| 2nd course of CSE | 1382 | 36.2 | 1296 | 37.0 |
| 4th course of CSE | 1374 | 36.0 | 1316 | 37.5 |
| 2nd course of PCSE | 863 | 22.7 | 649 | 18.5 |
| ILTC | 195 | 5.1 | 244 | 7.0 |
| SEP [mean (SD)] * | 63.1 | 14.2 | 63.3 | 14.7 |
| Migratory status | ||||
| Native | 2850 | 74.7 | 2708 | 77.2 |
| First- or second-generation immigrant | 801 | 21.0 | 679 | 19.4 |
| No data | 163 | 4.3 | 118 | 3.4 |
| Size of municipality | ||||
| ≤5000r inhabitants | 995 | 26.1 | 1015 | 29.0 |
| 5001r–20,000 inhabitants | 1565 | 41.0 | 1350 | 38.5 |
| >20,000 inhabitants | 1147 | 30.1 | 1059 | 30.2 |
| Living outside Central Catalonia | 107 | 2.8 | 81 | 2.3 |
| Academic performance | ||||
| Good grades | 1128 | 29.6 | 884 | 25.2 |
| Average grades | 2208 | 57.9 | 2036 | 58.1 |
| Poor grades | 307 | 8.0 | 413 | 11.8 |
| No data | 171 | 4.5 | 172 | 4.9 |
| General health status | ||||
| Excellent or very good | 1911 | 50.1 | 2290 | 65.3 |
| Good, fair or poor | 1903 | 49.9 | 1215 | 34.7 |
| Emotional state [mean (SD)] * | 13.9 | 3.5 | 11.9 | 3.3 |
| Physical Activity | ||||
| Over WHO recommendations | 1303 | 34.2 | 1968 | 56.1 |
| Under WHO recommendations | 2200 | 57.7 | 1310 | 37.4 |
| No data | 311 | 8.1 | 227 | 6.5 |
| Body Mass Index | ||||
| Underweight | 92 | 2.4 | 120 | 3.4 |
| Normal weight | 2993 | 78.5 | 2503 | 71.4 |
| Overweight or obesity | 569 | 14.9 | 760 | 21.7 |
| No data | 160 | 4.2 | 122 | 3.5 |
| On a diet | ||||
| No | 3328 | 87.3 | 3132 | 89.3 |
| Yes, to lose or maintain weight | 187 | 4.9 | 136 | 3.9 |
| Yes, for other reasons | 299 | 7.8 | 237 | 6.8 |
| Having breakfast during last 7 days | ||||
| Never | 740 | 19.4 | 482 | 13.7 |
| 1 to 3 days | 654 | 17.2 | 429 | 12.3 |
| 4 to 6 days | 391 | 10.2 | 305 | 8.7 |
| Every day | 2029 | 53.2 | 2289 | 65.3 |
* In the variables age, socioeconomic position and emotional state, the heading “n” is substituted for “mean” and “%” for “SD”, Abbreviations: SD = standard deviation; CSE = compulsory secondary education (ISCED 2); PCSE = post-compulsory secondary education (ISCED3); ILTC = intermediate level training cycles (ISCED3); SEP = socioeconomic position.