Table 1.

Previous articles concerning the validity of the SCOFF:

Article	Population	Number of cases	Diagnostic procedure	Sensitivity (Threshold ≥2) %	Specificity %	PPV %	NPV %
The SCOFF questionnaire: assessment of a new screening tool for EDs Morgan, J 1999	Cases: Women confirmed as having anorexia or bulimia nervosa Controls: University students confirmed as not having an ED	116 96 total 214	SCOFF vs. clinical diagnosis based on DSM-IV* criteria	100	87.5	-	-
The SCOFF questionnaire and clinical interview for EDs in general practice: comparative study Luck, A 2002	Women attending two general practices in London	341	SCOFF vs. clinical diagnosis based on DSM-IV criteria	84.6	89.6	24.4	99.3
Validation of SCOFF questionnaire among pre-teenagers Caamaño, F 2002	One class of pre-teenagers selected randomly from 10 Spanish schools	289	SCOFF vs. EAT**	64.1	87.2	43.9	94.0
Four simple questions can help screen for EDs Cotton, M-A 2003	College students and patients from primary care clinics in London	129 104 total 233	SCOFF and ESP*** vs. Q-EDD**** (based on DSM-IV criteria)	78	88	-	-
Application of the SCOFF, EAT and TFEQ questionnaires in women seeking diet-therapy Siervo, M 2005	Women seeking diet-therapy at the outpatient dietetic clinic in Naples Remark: Only patients with BED, bulimic EDNOS or normal eating behaviour were selected in the study.	162	SCOFF, EAT and TFEQ***** vs. clinical diagnosis based on DSM-IV criteria	94	21	-	-
Eating Disorders in Graduate Students: Exploring the SCOFF as a simple screening tool Parker, S 2005	Graduate students attending the university student health clinic	297	SCOFF vs. EDE-Q ******	53.3	93.2	66.7	88.7
Validation of the SCOFF questionnaire for screening the eating behaviour disorders of adolescents in school Rueda, G 2005	Randomly selected students from three schools in Colombia	241	SCOFF vs. CIDI******* (based on DSM-IV criteria)	81.9	78.7	62.1	91.1
Validation of the SCOFF for screening of EDs in university women Rueda, G 2005	University students in Colombia	385	SCOFF vs. CIDI (based on DSM-IV criteria)	78.4	75.8	46.5	92.9
Validation of the Spanish version of the SCOFF questionnaire for the screening of EDs in primary care Garcia-Campayo, J 2005	Patient with probable eating disorder diagnosis from six primary health care centers in Spain.	203	SCOFF vs. SCAN******** (based on DSM-IV criteria)	97.7	94.4	81	93.1
Screening for EDs in primary care: EDE-Q versus SCOFF Mond, J 2008	Women aged 18–40 years attending two primary care practices in smaller urban regions of the USA	147	SCOFF and EDE-Q vs. telephone interview including diagnostic items of the EDE*********	72	73	35	-

*Diagnostic and Statistical Manual of Mental Disorders, fourth edition

**Eating Attitude Test

***Eating disorder Screen for Primary care

****Questionnaire for Eating Disorder Diagnoses

*****Three Factor Eating Questionnaire

******Eating Disorder Examination-Questionnaire

*******Composite International Diagnostic Interview

********Schedules for Clinical Assessment in Neuropsychiatry

********* Eating Disorder Examination interview