fa آگاهی، نگرش و عملکرد کارگران مرد شاغل در کارخانجات شهر بیرجند نسبت به تنظیم خانواده General پژوهشي Research Article Family planning is accepted by many countries as a mechanism to deal with the problem of population increase and its related outcomes. One of the key success factors in family planning programs is to find a regional model suitable for training purposes. This is possible when a sufficient understanding of the knowledge, attitude and performance of different social groups in each region exists. This study is conducted in Birjand to determine the knowledge, attitude and performance of male workers toward family planning.   Materials and Methods: This descriptive - analytical study was done on 350 male workers employed in some factories of Birjand which were selected randomly through quota clustering . Data collecting tool was a questionnaire which its content validity had been confirmed and included questions of awareness, performance and attitude. Using descriptive analytic statistics methods, chi-square,t-test and Pearson correlation coefficient , data were analyzed (P Attitude,Performance,Male workers,Family planning 17 22 http://mcj.bums.ac.ir/browse.php?a_code=A-10-1-356&slc_lang=fa&sid=1 Mohammad Reza Miri محمدرضا میری 10031947532846004618 10031947532846004618 Yes Assistant Professor, Faculty of Public Health, Birjand University of Medical Sciences, Birjand, Iran. Email: miri-moh@bums.ac.ir استادیار آموزشکده بهداشت، دانشگاه علوم پزشکی بیرجند. تلفن: 4440556-0561 پست الکترونیک: miri-moh@bums.ac.ir Marzieh Mogharab مرضیه مقرب 10031947532846004619 10031947532846004619 No Instructor, Faculty of Nursing and Midwifery, Birjand University of Medical Sciences, Birjand, Iran عضو هیات علمی دانشکده پرستاری و مامایی دانشگاه علوم پزشکی بیرجند Mehdi Soleimani مهدی سلیمانی 10031947532846004620 10031947532846004620 No General Practitioner پزشک عمومی