Table 1 Summary of eating disorder screening tools used in the survey

• Are you on a special diet or do you avoid certain types of foods or food groups? ^b

• Please explain what type of diet you are on (e.g. Gluten free/ Dairy free/ Vegetarian/

Low carb)

• I feel extremely guilty after overeating^a

• I am preoccupied with the desire to be thinner^a

• I think that my stomach is too big^a

• I feel satisfied with the shape of my body^a

• My parents have expected excellence of me^a

• As a child, I tried very hard to avoid disappointing my parents and teachers^a

• Are you trying to lose weight now?^b

• Have you tried to lose weight? ^b

• If yes, how many times have you tried to lose weight?^c

• Are you satisfied with your eating patterns?^b

• Do you ever eat in secret?^b

• Does your weight affect the way you feel about yourself?^b

• Do you currently suffer with or have you ever suffered in the past with an eating disorder?^b

• Do you or have you ever suffered from disordered eating?^b

• Do you currently suffer with or have you ever suffered in the past from an eating disorder?^b