Simple models | Multiple model* | Multiple model: age excluded† | Multiple model: body image perception excluded‡ | Multiple model: age and body image perception excluded§ | ||||||
OR (95% CI) | P value | OR (95% CI) | P value | OR (95% CI) | P value | OR (95% CI) | P value | OR (95% CI) | P value | |
Age (years) | 1.3 (1.1 to 1.5) | <0.001 | 1.2 (1.1 to 1.4) | 0.005 | 1.3 (1.1 to 1.5) | <0.001 | ||||
Previous or ongoing injury episode (No/Yes) | 2.5 (1.2 to 5.0) | 0.012 | 2.5 (1.2 to 5.0) | 0.012 | ||||||
RED-S indicators (no/yes) | 2.1 (1.0 to 4.5) | 0.047 | ||||||||
Skipped main meals per week (continuous) | 1.1 (1.0 to 1.3) | 0.020 | 1.1 (1.0 to 1.3) | 0.036 | ||||||
Body image perception: | ||||||||||
Normal (reference category) | <0.001 | 0.003 | <0.001 | |||||||
Underweight | 2.8 (0.7 to 10.7) | 0.127 | 3.1 (0.8 to 12.1) | 0.107 | 2.8 (0.7 to 10.7) | 0.127 | ||||
Overweight | 9.0 (3.2 to 25.8) | <0.001 | 5.9 (2.0 to 17.6) | 0.001 | 9.0 (3.2 to 25.8) | <0.001 | ||||
Figure skating load (low/high) | 2.1 (1.0 to 4.3) | 0.041 | ||||||||
Mean weekly training hours: | ||||||||||
≤6 (reference category) | 0.927 | |||||||||
7–12 | 1.1 (0.5 to 2.3) | 0.771 | ||||||||
≥13 | 1.2 (0.4 to 3.9) | 0.736 | ||||||||
Parental education level (high/low) | 1.5 (0.8 to 3.0) | 0.213 |
*Nagelkerke R2=0.28.
†Nagelkerke R2=0.20.
‡Nagelkerke R2=0.20.
§Nagelkerke R2=0.06.
RED-S, Relative Energy Deficiency in Sport; STAI, State-Trait Anxiety Inventory.