Abstract
Objective: To develop and evaluate the reliability and validity of risk behavior scale for in-home unintentional injury in urban children aged 0-6 years in China. Methods: Through literature review, expert consultation and pre-survey, the final scale was determined with 10 dimensions and 54 items. A total of 1 104 children aged 0-6 years were randomly selected by using multi-stage stratified cluster sampling in the urban area of Changsha and their guardians were invited to participate in this questionnaire survey. The information about the basic characteristics, incidence of unintentional injury and risk behaviors of the children were collected. Cronbach's α coefficient and split-half reliability were used to evaluate the reliability of the scale. Pearson correlation coefficient, Spearman correlation coefficient and factor analysis were used to evaluate the content validity and structural validity of the scale respectively. The children were divided into two groups according to the incidence of unintentional injury, and t-test was used to analyze the discriminant validity of the scale. Results: The children risk behavior scale had 54 items in 10 dimensions. A total of 1 094 valid questionnaires were returned and the effective response rate was 99.09%. The incidence of unintentional injury in the children was 18.65% (204/1 104). The Cronbach's α coefficient of the scale was 0.94, and the split-half reliability was 0.87. The Pearson correlation coefficients between each dimension and the total scale were 0.50-0.84 (all P<0.001). A total of 11 common factors were extracted from the total scale, and the cumulative variance contribution rate was 56.52%. The average factor load of 54 items was more than 0.30. The fitting indexes of the scale were 0.06 for root mean square error of approximation, 0.78 for comparative fit index, 0.79 for goodness-of-fit index, and 0.77 for adjusted goodness-of-fit index. The children with injuries had higher scores than those without injuries, the difference was significant (P<0.001). Conclusion: The scale developed has good reliability and validity on assessing the risk behaviors of unintentional injury in urban children in China.
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