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Assessing the safety attitudes questionnaire (SAQ), German language version in Swiss university hospitals - A validation study

Zimmermann, N and Küng, K and Sereika, SM and Engberg, S and Sexton, B and Schwendimann, R (2013) Assessing the safety attitudes questionnaire (SAQ), German language version in Swiss university hospitals - A validation study. BMC Health Services Research, 13 (1).

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Abstract

Background: Improving patient safety has become a major focus of clinical care and research over the past two decades. An institution's patient safety climate represents an essential component of ensuring a safe environment and thereby can be vital to the prevention of adverse events. Covering six patient safety related factors, the Safety Attitudes Questionnaire (SAQ) is a validated and widely used instrument to measure the patient safety climate in clinical areas. The objective of this study was to assess the psychometric properties of the German language version of the SAQ. Methods. A survey was carried out in two University Hospitals in Switzerland in autumn 2009 where the SAQ was distributed to a sample of 406 nurses and physicians in medical and surgical wards. Following the American Educational Research Association guidelines, we tested the questionnaire validity by levels of evidence: content validity, internal structure and relations to other variables. Confirmatory factor analysis was used to examine factor structure. Cronbach's alphas and inter-item correlations were calculated to examine internal consistency reliability. Results: A total of 319 questionnaires were completed representing an overall response rate of 78.6%. For three items, the item content validity index was <0.75. Confirmatory factor analysis showed acceptable model fit (RMSEA = 0.045; CFI = 0.944) for the six-factor model. Additional exploratory factor analysis could not identify a better factor model. SAQ factor scores showed positive correlations with the Safety Organizing Scale (r =.56 -.72). The SAQ German version showed moderate to strong internal consistency reliability indices (Cronbach alpha =.65 -.83). Conclusions: The German language version of the SAQ demonstrated acceptable to good psychometric properties and therefore shows promise to be a sound instrument to measure patient safety climate in Swiss hospital wards. However, the low item content validity and large number of missing responses for several items suggest that improvements and adaptations in translation are required for select items, especially within the perception of management scale. Following these revisions, psychometric properties should reassessed in a randomly selected sample and hospitals and departments prior to use in Swiss hospital settings. © 2013 Zimmermann et al.; licensee BioMed Central Ltd.


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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Zimmermann, N
Küng, K
Sereika, SMssereika@pitt.eduSSEREIKA
Engberg, Ssje1@pitt.eduSJE1
Sexton, B
Schwendimann, R
Date: 13 September 2013
Date Type: Publication
Journal or Publication Title: BMC Health Services Research
Volume: 13
Number: 1
DOI or Unique Handle: 10.1186/1472-6963-13-347
Schools and Programs: Graduate School of Public Health > Biostatistics
School of Nursing > Nursing
Refereed: Yes
Date Deposited: 02 Dec 2016 16:06
Last Modified: 02 Feb 2019 14:56
URI: http://d-scholarship.pitt.edu/id/eprint/29681

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