en Aim: Smoking is the first factor of diseases, and death, and one of the major health problems all over the world.<br />The aim of this study was validating the Persian version of short-form decisional balance scale to smoke cessation in Iranian workers.<br />Method: This cross-sectional study was conducted among 218 workers from automobile manufactory in Bam City (Iran) in 2016 using convenient sampling.<br />Findings: The total of 218 male workers with (mean age 30.52±6.66 years) participated in this study. The results showed two factors (Barriers, and Benefits, or Cons and Pros) with good explanatory (KMO=66%; Cumulative of Variance= 58.94), confirmatory (REMSEA= 0.000; GFI= 0.995, AGFI= 0.983; P-value= 0.775) factor analysis and reliability index (ICC =0.65 95% CI (0.57, 0.72)).<br />Conclusion: This study showed the Persian version of the short-form decisional balance scale for smoking cessation was valid and reliable tool to measure decisional balance for smoking cessation. Validity,Reliability,Smoking,Worker 65 74 http://hehp.modares.ac.ir/browse.php?a_code=A-5-12233-1&slc_lang=en&sid=4 Laleh SolimaniZadeh Laleh SolimaniZadeh 100319475328460068216 100319475328460068216 No Ph.D. Candidate, Department of Health Education & Health Promotion, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran Ph.D. Candidate, Department of Health Education & Health Promotion, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran Farkhondeh Amin Shokravi Farkhondeh Amin Shokravi 100319475328460068215 100319475328460068215 Yes Associate Professor, Department of Health Education & Health Promotion, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran Associate Professor, Department of Health Education & Health Promotion, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran Sedighe Sadat Tavafian Sedighe Sadat Tavafian 100319475328460068212 100319475328460068212 No Associate Professor, Department of Health Education & Health Promotion, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran Associate Professor, Department of Health Education & Health Promotion, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran Mohammad Gholami Fesharaki Mohammad Gholami Fesharaki 100319475328460068209 100319475328460068209 No Assistant Professor, Department of Biostatics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran Assistant Professor, Department of Biostatics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran