Procedure
RECRUITMENT
Recruitment occurred one month prior to the intervention (November 2018). The screening was conducted in three steps: (1) phone conversation, (2) visiting participants at the clinic and clarifying the study protocol, (3) visiting participants to obtain informed consent a few days after the initial visit. Then a general physician who was briefed about the study procedure obtained a medical history and performed physical examination, including height, body weight, and waist circumferences.The outcome parameters were assessed at baseline and the end of the study. Three-day-food records (including two working days and one weekend or holyday) were taken at baseline and at weeks 5 and 10 to obtain energy and nutrient intakes. For this reason, all dietary data were converted into grams and were entered into the Nutritionist 4 software (First Databank, San Bruno, CA, United States) based on the United States Department of Agriculture (USDA) food composition table. The database was modified to include Iranian foods. Physical Activity Level (PAL) was assessed by Beck physical activity questionnaire [