Modified Mental Health Literacy Scale (Iranian)

Domains assessed: Conceptual Knowledge

Specific context: Mental Health

Validation sample population age: Adults: 18 to 64 years

Modes of administration in validation study: Paper and pencil, Face-to-face

Number of items: 29

Sample size in validation study: 1222

Language of validated version: Persian

Categorical scoring: No

Country where validated: Iran

Content validity: To assess the qualitative content validity, the questionnaire was provided to 10 specialists (panel of experts in the fields of psychology, health literacy, and health education and promotion) for the purpose of evaluating grammar, use of appropriate words, the importance of items, the correct placement of items, and the time for completing the designed instrument. Quantitative content validity was not required due to standard questionnaire used and translated.

Reliability (Cronbach Alpha): 0.789

Reliability notes: McDonald’s omega coefficient and Cronbach’s alpha coefficient were used to assess the internal consistency of the questionnaire and each of the attributes separately. McDonald’s omega coefficient for all questions of MHLS, MHLS attributes includes the ability to recognize disorders, knowledge of where to seek information, knowledge of risk factors, knowledge of self-treatment, knowledge of professional help available, attitudes that promote recognition or appropriate help-seeking behavior, were 0.797, 0.734, 0.652, 0.601, 0.602, 0.643, and 0.874 respectively. Cronbach’s alpha coefficient for all questions of MHLS, MHLS attributes includes the ability to recognize disorders, knowledge of where to seek information, knowledge of risk factors, knowledge of self-treatment, knowledge of professional help available, attitudes that promote recognition or appropriate help-seeking behavior, were 0.789, 0.700, 0.630, 0.600, 0.600, 0.640, and 0.800, respectively.