Quality of life
fatigue, pain
Quality of life was evaluated using 36-Item Short Form Health Survey (SF-36) by direct interview with participants at the beginning and the end of the intervention. SF-36 consisted of 36 questions that evaluate eight different domains of health. These eight domains can be summarized in to two components including physical component score and mental component score. Physical component score comprised domains of physical functioning, role limitations due to physical health, bodily pain and general health. Mental component score comprised domains of role limitations due to emotional problems, energy and fatigue, emotional well-being, and social functioning. The minimum and maximum scores in this questionnaire are zero and 100, respectively. Better quality of life is indicated by obtained higher scores