Development Of Exercise Stage Of Change Scale For Dieting Population

Along with the development of economy,the continuous improvement of life quality,changes in the dieting structure and the reduction of the physical exercise,more and more people are overweight.Obesity problem has become the major public health problem which affects people's heath.Physical exercise as an effective way of weight control,plays an important role in obesity intervention.Based on the the theory of Transtheoretical Model and psychological tests on dieting population, the Exercise Stage of Change Scale was developed in present research, which is considered to be suitable to the obesity intervention for dieting peoplein China.In accordance with the standardized procedure of developing the psychological scales,based on the theory of Transtheoretical Model,and the results from the investigation on dieting people's exercise behavior via open-ended questionnaire,the item pool was set up.Then the scale was designed through item analysis,exploratory and confirmatory factor analysis(CFA).A further investigation on dieting people with the Exercise Stage of Change Scale for Dieting People was conducted through the method of SEM,regression for the exploring of relations between each of the model factors.Results showed that:1,the Cronbach' s alpha coefficients of the subscales were between.791-.884,test-retest reliability were between.786-.912,the reasults of construct fact analysis showed that x 2/df were between.125-.269,CFI were between.81-.98,AGFI were between.80-.93,NNFI were between.80-.97,RMSEA were between.032-.084.2,Periods of stage changing were actually existed in dieting people's exercise behavior.3,The scales of Process of Change, Self-efficacy,Decision Balance and the Stage of Change had cause-effact relation in terms of statistics.4,The stage of change of deiting people's exercise behavior could be predicted by the four dimensions of the process of change. It was concluded that:1,Exercise Stage of Change Scale for Dieting People had acceptable reliability and validity.2,The scale can be taken as the corner stone for the intervention on deiting people of their exercise behavior.