Table 2 Descriptive characteristics of the sample (N = 10,172)
Girls (n = 5371) | Boys (n = 4801) | Cohens d | p-value | |
|---|---|---|---|---|
Sociodemographic variables and BMI | ||||
Sex, N (%) | 5371 (52.8) | 4801 (47.2) | – | <.001 |
Age, M (SD) | 17.45 (0.85) | 17.41 (0.84) | .04 | .039 |
Perceived family economic resources, N (%) | – | <.011 | ||
- Poorer financial circumstances | 413 (7.9) | 289 (6.2) | ||
- Approximately like most others | 3670 (70.1) | 2968 (64.0) | ||
- Better financial circumstances | 1150 (22.0) | 1378 (29.7) | ||
Mother’s education, N (%)a | – | .157 | ||
- Primary school | 1664 (40.3) | 1470 (42.4) | ||
- Secondary school | 447 (10.8) | 336 (9.7) | ||
- University / college | 2021 (48.9) | 1663 (47.9) | ||
Father’s education, N (%)b | – | .272 | ||
- Primary school | 1786 (45.8) | 1670 (47.3) | ||
- Secondary school | 425 (10.9) | 367 (10.4) | ||
- University / college | 1688 (43.3) | 1496 (42.3) | ||
Body mass index, M (SD) | 21.96 (3.58) | 22.58 (3.56) | −.17 | <.001 |
Physical activity | ||||
Mean number of days per week, M (SD) | 2.88 (0.03) | 3.46 (0.03) | −.28 | <.001 |
Eating disturbance | ||||
EDS-5 total score, M (SD) | 3.02 (2.49) | 1.32 (1.64) | .80 | <.001 |