Table 2 Factor loadings of FCQ-ED-J following exploratory factor analysis with maximum-likelihood estimation and promax rotation; and subscales of the FCQ-ED-J and the reliability

When I saw that S was trying to avoid eating a lot, I told him/her that I was glad and encouraged him/her to do so. (PC)

I managed to keep calm even when S had emptied the fridge or the cupboard or bought too much food on his/her own. (PC)

I hid the food to S to prevent he/she ate too much. (CE)

When I saw that S was preparing large amounts of food to eat, I got angry and told him/her off. (CE)

When S checked his/her body weight too frequently, I shouted. (CE)

When S has frequently checked his/her weight, I calmly tried to convince him/her not to do it again. (PC)

When S checked his/her body weight too frequently, I hid the weight scale. (CE)

When S has frequently checked his/her weight, I did not say anything and pretended nothing had happened. (CL)

When S checked his/her body weight too frequently, I reacted angrily. (CE)

When S has done too much physical exercise, I tried calmly to convince him/her not to do it again. (PC)

When S has done too much physical exercise, I did not say anything and pretended nothing had happened. (CL)

When S has abused laxatives and/or diuretics, I did not say anything and pretended nothing had happened. (CL)

When S has abused laxatives and/or diuretics, I calmly tried to convince him/her not to do it again. (PC)

When I saw that S was vomiting, I reacted angrily. (CE)

When I saw that S was eating everything that came to hand very quickly, I reacted angrily. (CE)

When S did not want to meet the doctor, I preferred not to force him/her. (CL)

When I saw that S was vomiting, I calmly tried to convince him/her not to do it again. (PC)

When I saw that S got locked in the bathroom to vomit, I shouted him/her to get out. (CE)

When S has refused to take medication and/or to meet the psychiatrist or psychologist, I have not done anything to make him/her change his/her. (CL)

When I saw that S was alone, I tried to get him/her to meet his/her friends. (PC)

Whenever S was nervous or anxious, I asked him to sit with me and tell me what was wrong and I tried to reassure him/her. (PC)

When S was aggressive with me, I managed to keep calm. (PC)

I prayed and I confided to a priest so that the situation would improve. (SH)

I tried to get information on S’ disorder. (SI)

I managed to stay calm even when S had eaten little or nothing all day. (PC)

I sought advice on how to behave with S. (SI)

I avoided to have lunch alone with S. (A)

I met with relatives and friends to avoid thinking about S situation. (A)

I looked for new interests to avoid thinking about S situation. (A)

When I saw that S was vomiting, I did not say anything and pretended nothing had happened. (CL)

After every meal, I lock the bathroom to prevent S from vomiting. (CE)

I avoided to have lunch with friends or relatives in the presence of S. (A)

Cronbach's alpha