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Published on: April 23, 2014
Psychometric validation of the children's environmental health questionnaires in community nurses
Kangkang Miao1, Qin Chen1, Huili Fang1
1School of Nursing and Health, Zhengzhou University, Zhengzhou, China.
Objectives:
To translate, cross-cultural adapt and psychometrically validate the Children's Environmental Health Knowledge Questionnaire (ChEHK-Q) and the Children's Environmental Health Skills Questionnaire (ChEHS-Q) for community nurses in China.
Design:
This was an observational, cross-sectional study undertaken in two phases: (1) translation and cultural adaptation process; (2) psychometric evaluation.
Sample:
A total of 294 nurses from 23 community health service centers in cities of Henan province participated in the study.
Methods:
These two questionnaires were analysed psychometrically based on IRT. ChEHK-Q was analyzed based on basic Rasch Model, and ChEHS-Q based on Rating Scale Model (RSM). EFA, expert validity, threshold analysis, retest reliability, item and individual reliability were used to evaluate the psychometric attributes of these two questionnaires.
Results:
The Infit and Outfit values for most items are within reasonable limits. The person reliability of ChEHK-Q was 0.85 and the item reliability was 0.97. The person reliability of ChEHS-Q was 0.94 and the item reliability was 0.93. The test-retest reliability of the ChEHK-Q was 0.85 and the ChEHS-Q was 0.87.
Conclusions:
ChEHK-Q and ChEHS-Q are reliable and valid instruments with satisfactory psychometric properties for nurses in China. Future studies should recruit a more representative sample to verify the applicability of these two questionnaires.
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