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The purpose of this study is to analyze the effectiveness of behavior-based safety program and the factors that affect the welding. This is an experimental research and study population was welders of shipbuilding industry. Behavior Based Safety (BBS) program implemented by using DOIT methods for 3 months with intervention period for 5 weeks and observations made during the two times. Types of intervention are consequences using hazard observation cards and activators using health and safety posters. Critical Bevior Checklist (CBC) is used for observation. The results of this research indicate a difference between the percentage of safe behaviors before and after the intervention (p-value 0.000 less than 0.05 were means reject H0). There are also differences in the percentage of safe behavior between experimental group and control group for independent t-test (p-value 0,000 less than 0.05). Binary logistic regression test results before the intervention indicate that age, education, length of work does not affect the safe behavior because the value of the three variables (sig> 0.05), while the results of binary logistic regression test after the intervention indicate that the age variable that influence the behavior of workers safe (sig> 0.05).
Keywords—BBS; critical behavior checklist; hazard observation cards