the effect of quality management on happiness of police staff in shiraz, iran

Background: 5s is the name of a workplace organization method that uses a list of five japanese words: seiri, seiton, seiso, siketsu, and shituke for improving the productivity of workplace. the iranian police has designed a native model based on this view in 2012 and shiraz metropolis police implemented this model in 2014. objectives: this study aimed at evaluating the effect of the native model, based on 5s on the happiness of shiraz metropolis police staff. methods: this was a comparative longitudinal study, which examined the effect of native model, derived from 5s, on happiness of police staff. this study examined happiness before implementation and after one year. happiness was evaluated according to the oxford version, which included 29 questions. data were analyzed using spss version 19 and chi-square test and paired t-test was used to compare all variables, including the happiness scores. results: results showed that there was a significant association between the types of administration (p = 0.005), the main reason to work in police force (p = 0.02), and income (p < 0.001). in addition, it was indicated that this model significantly changed the mean score of happiness (p < 0.001). conclusions: this study indicated that 5s promoted the happiness of police forces. the application of this model is recommended in other departments of the police force. also, considering the national security, utilizing this model is recommended in other military institutions.