Researchers collected information after getting permission from the authorities for the cooperation from the Coordinator. Research Group of six nurses, the hospital sent a query via all Coordinator 6 hospitals, because in general the sample used in the analysis. Element (Factor analysis), the acceptable to very good is 300-500 people 13 and from past research found the incomplete, and loss of 5 per cent of queries-2014-16, so add another query and a 10 percent random sample of 550 model layer (Stratified random sampling) has samples and 550 people, it sends a query to set 550 Coordinator in each hospital received. Query the complete postal and night for data analysis, vol. 451 number 82.0 percent of the queries that are sent.
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