• S J Singer, D M Gaba, J J Geppert, A D Sinaiko, S K Howard, and K C Park.
• Center for Health Policy/Center for Primary Care and Outcomes Research, Stanford University, Stanford, CA 94305-6019, USA. singer@healthpolicy.stanford.edu
• Qual Saf Health Care. 2003 Apr 1;12(2):112-8.

ObjectiveTo understand fundamental attitudes towards patient safety culture and ways in which attitudes vary by hospital, job class, and clinical status.DesignUsing a closed ended survey, respondents were questioned on 16 topics important to a culture of safety in health care or other industries plus demographic information. The survey was conducted by US mail (with an option to respond by Internet) over a 6 month period from April 2001 in three mailings.Setting15 hospitals participating in the California Patient Safety Consortium.SubjectsA sample of 6312 employees generally comprising all the hospital's attending physicians, all the senior executives (defined as department head or above), and a 10% random sample of all other hospital personnel. The response rate was 47.4% overall, 62% excluding physicians. Where appropriate, responses were weighted to allow an accurate comparison between participating hospitals and job types and to correct for non-response.Main Outcome MeasuresFrequency of responses suggesting an absence of safety culture ("problematic responses" to survey questions) and the frequency of "neutral" responses which might also imply a lack of safety culture. Responses to each question overall were recorded according to hospital, job class, and clinician status.ResultsThe mean overall problematic response was 18% and a further 18% of respondents gave neutral responses. Problematic responses varied widely between participating institutions. Clinicians, especially nurses, gave more problematic responses than non-clinicians, and front line workers gave more than senior managers.ConclusionSafety culture may not be as strong as is desirable of a high reliability organization. The culture differed significantly, not only between hospitals, but also by clinical status and job class within individual institutions. The results provide the most complete available information on the attitudes and experiences of workers about safety culture in hospitals and ways in which perceptions of safety culture differ among hospitals and between types of personnel. Further research is needed to confirm these results and to determine how senior managers can successfully transmit their commitment to safety to the clinical workplace.

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