Table 1.
Overview of questionnaire measures used in the sample. For more detailed information of each of the instruments please refer to the Supplementary Material (1.3.1–1.3.20, Additional file 1
| Questionnaire | Measure |
|---|---|
| MiniMeal-Questionnaire | General diet behaviors |
| Impulsive Behavior Scale (SUPPS-P) | Impulsivity |
| Active-Questionnaire (Active-Q) | Physical activity |
| Eating Disorder Examination - Questionnaire (EDE-Q) | Disordered eating behavior |
| Quality of Life Inventory (QOLI) | Quality of life |
| Nicotine Dependency Scale | Nicotine dependence |
| Hormonal, Menstrual and Reproductive History (HMRH) | Reproductive history |
| Perception of Teasing Scale (POTS) | Weight and competency teasing |
| Edinburgh Handedness Inventory | Handedness |
| Behavioral Inhibition/Approach System (BIS/BAS) | Behavioral inhibition and approach tendencies |
| Multidimensional Perfectionism Scale (MPS) | Perfectionism |
| Patient Health Questionnaire (PHQ9) | Depression |
| Generalized Anxiety Disorder (GAD-7) | Severity of anxiety disorder |
| Autism Spectrum Quotient (AQ-10) | Position on the autism-normality continuum |
| Obsessive Compulsive Inventory – Revised (OCI-R) | Compulsive behaviour |
| Big Five Inventory (BFI) | Extraversion, agreeableness, consciousness, neuroticism, openness |
| Online 24-Hour Recall Log Book | Nutrition intake |
| Visual Analogue Scale (VAS) | Hunger and thirst |
| Positive and Negative Affect Schedule (PANAS) | Positive and negative affect |
| Stool and Medication Questionnaire | Gastrointestinal symptoms and medication intake |