Development Of China Occupational Strain Scale

The problem of occupational stress has become very serious and an urgent global health problem.As the bio-psycho-social medical model has been recognized by the public,it is very important and urgent to identify and evaluate the psychosomatic effects of occupational stress.At present,most of the scales of occupational stress in China are mainly based on translated and revised foreign ones,which can no longer identify and evaluate the current situation of occupational stress in China objectively.Therefore,in order to promote the domestic occupational stress research to be carried out more deeply and effectively,this study was designed to develop a short and effective occupational strain scale for Chinese occupational population on the basis of occupational stress theory.First of all,using the literature method,we consulted and summarized a large number of relevant literature and classical scales at home and abroad.Secondly,through semi-structured interviews,15 on-the-job staff were interviewed and the typical evaluation indicators of occupational strain were collected.Through two rounds of expert consultation,the indicators were screened and modified according to the opinions of experts.Finally,50 employees were selected for pre-survey.It was conducted to modify the items that were difficult to understand and inconsistent to understand.And then,we adjusted the order of items to form a predictive scale with a total of 18 items.2191 employees were selected from 10 specific units in 5 cities in SiChuan Province and randomly divided into two parts.Sample 1 was used to screen items by exploratory factor analysis,and sample 2 was used to test reliability and validity.Two weeks later,150 employees were selected from the total sample for retesting.The results of this study showed that the formal scale included three dimensions: cognitive behavioral,psychological and physical strain,which were composed of 3,7,5 items respectively,with a total of 15 items.The Cronbach ? coefficient were 0.935 for the total scale,and 0.789~0.923 for the 3 subscales.The split-half reliability coefficient were 0.863 for the total scale,and 0.766~0.898 for the 3 subscales.The test-retest reliability were 0.772 for the total scale,and 0.762~0.800 for the 3 subscales,which indicated that the scale had good consistency.The results of confirmatory factors analysis showed that the model fitted well with the data,and each fitting index reached the standard.The scores of the total scale and each subscale and the scores of GAD-7 and PHQ-9 were positively correlated(r=0.544~0.826,P<0.01).There was a moderately high correlation in the measurement of similar psychological characteristics,indicating that the test score was reliable.In summary,this study developed the China occupational strain scale by using standard psychometric methods,and verified its reliability and validity were good.It provided a unified,simple,practical and efficient tool for the study of occupational strain in China,and made the study of occupational stress in China more in-depth and standardized.