Questionnaire of the study was a structured close validated that consisted of 55questions including demographic traits (including age, education and marital status), knowledge (6 questions), attitudes (14 questions) and practice (25 questions), barriers (1 question with 15 items) and facilitators (1 question with15 items) of self- care and others (9 question) that filled out by face-to- face interviews. An instance question for knowledge included to what extent are you sure that has necessary information about items such as having healthy life style, having control on my chronic condition. An example question for attitude included to what extent you would like to do exercise routinely. An example of practice question included how many times a day do you exercise. Barriers questions were lack of financial, knowledge and self- esteem and etc, for example. Facilitators questions were, for instance, having more knowledge, more recommendation provided by physicians and etc. This questionnaire was implemented in a study in England, moreover; its validity confirmed in a study conducted by Eftekhar survey (2) and the alpha coefficient was 0.79.