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1000
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Abstract/Summary
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BACKGROUND: The Disaster Preparedness Evaluation Tool (DPET) with 47 items was developed to assess the disaster preparedness level among nurses in the USA. Aim: This study aimed (1) to adapt and validate the DPET for the nursing context in Germany and (2) to perform its psychometric evaluation. METHODS: The DPET items were translated to German (DPET-GER). Adaptation was performed to identify irrelevant items and content validity was estimated using the scale-level content validity index (S-CVI) based on expert ratings. Psychometric evaluation was performed based on data from an online survey of 317 nurses. Internal consistency (Cronbach’s alpha) and factor structure were assessed with an exploratory factor analysis. RESULTS: Ten items were unanimously rated as irrelevant by four experts and removed. Based on ratings by further seven experts, the content validity of DPET-GER was low for all 37 items (S-CVI of 0.53) or moderate for 19 items rated as relevant (S-CVI of 0.74). The internal consistency of DPET-GER was high (Cronbach’s alpha of 0.94) and 37 items were reduced to five factors that explain 55% of variance in all items. CONCLUSIONS: The DPET-GER has acceptable psychometric properties (internal consistency and factor structure). However, low content validity indicates that further adaptation of the DPET-GER is required before it could be used to assess disaster preparedness among nurses in Germany. More research is also needed to contextualize the construct of disaster preparedness.
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