| Total | Girls | Boys | z | p | r | |||||
---|---|---|---|---|---|---|---|---|---|---|---|
N | Mean (SD) | N | Mean (SD) | Md | N | Mean (SD) | Md | ||||
Age | 1558 | 17.0 (.9) | 828 | 17.0 (.9) | 17.0 | 730 | 17.1 (1.0) | 17.0 | − 0.68 | 0.495 | – |
EDE-QS | 1557 | 6.7 (7.0) | 828 | 9.5 (7.7) | 7.0 | 729 | 3.6 (4.3) | 2.0 | − 17.40 |  < 0.001 | 0.44 |
SATAQ-4R | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | |
 Internalization: thin/low body fat | 1556 | 2.6 (1.3) | 827 | 3.3 (1.1) | 3.3 | 729 | 1.8 (.9) | 1.5 | − 23.48 |  < 0.001 | 0.60 |
 Internalization: muscular | 1556 | 2.9 (1.0) | 827 | 2.5 (.7) | 2.4 | 729 | 3.5 (1.0) | 3.5 | − 20.74 |  < 0.001 | 0.53 |
 Internalization: general attractiveness | 1555 | 3.8 (1.0) | 828 | 4.3 (.6) | 4.3 | 727 | 3.3 (1.1) | 3.5 | − 17.78 |  < 0.001 | 0.45 |
 Pressures: family | 1556 | 2.0 (0.9) | 827 | 2.2 (1.0) | 2.0 | 729 | 1.9 (.7) | 1.6 | − 4.79 |  < 0.001 | 0.12 |
 Pressures: peers | 1552 | 2.4 (1.1) | 824 | 2.4 (1.1) | 2.3 | 728 | 2.4 (1.1) | 2.5 | − 0.74 | 0.457 | – |
 Pressures: significant others | 1552 | 1.8 (1.0) | 826 | 1.9 (1.0) | 1.5 | 726 | 1.7 (.9) | 1.2 | − 0.82 | 0.069 | – |
 Pressures: media | 1556 | 2.8 (1.3) | 827 | 3.4 (1.2) | 3.8 | 729 | 2.1 (1.1) | 1.8 | − 19.91 |  < 0.001 | 0.50 |