Objective To evaluate individual level of public health emergency preparedness by establishing public health emergency work ability questionnaire (PHEWAQ).
Methods A pre-test questionnaire was established according to the standard procedure of scale development. Cronbach's α and factor analysis were applied to screen the items of the pre-test questionnaire and to assess construct validity and reliability of the formal PHEWAQ.
Results Out of the 27 items in the pre-test questionnaire, the PHEWAQ included 20 items covering 5 categories:self-assessment on public health emergency work ability, effect of public health emergency knowledge training, constraints on public health emergency ability, improvement on constraints, and forecast on public health emergency work ability. The Cronbach's α of the PHEWAQ was 0.855 4, and >0.7 in all dimensions. The five principal components explained 71.729% of total cumulative variance. The loading vector of each item on any principal component was all greater than 0.69. The principal components' variances were in the range of 0.535 1-0.851 3.
Conclusion The PHEWAQ demonstrates good construct validity and reliability, meets the theoretical structural expectation, thus could be applied for assessing individual public health emergency work ability in primary institutions.
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