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Development of a Survey of Asthma Knowledge, Attitudes, and Perceptions^*

The Chicago Community Asthma Survey

Evalyn N. Grant, MD; Karen Turner-Roan, MPH; Steven R. Daugherty, PhD; Tao Li, PhD; Edward Eckenfels; Claudia Baier, MPH; Michael F. McDermott, MD; Kevin B. Weiss, MD and for the Chicago Asthma Surveillance Initiative Project Team

^* From the Department of Immunology/Microbiology (Dr. Grant); the Center for Health Services Research (Drs. Daugherty and Li, and Ms. Turner-Roan), Rush Primary Care Institute; and the Department of Preventive Medicine (Mr. Eckenfels and Ms. Baier); Rush-Presbyterian-St. Luke's Medical Center; and the Department of Emergency Medicine (Dr. McDermott), Cook County Hospital, Chicago, IL. See Appendix for other members of the CASI Project Team.

Correspondence to: Kevin B. Weiss, MD, Director, Center for Health Services Research, Rush Primary Care Institute, Rush-Presbyterian-St. Luke's Medical Center, 1653 W Congress Pkwy, Chicago, IL 60612

Little is known about the general public's perception of the diagnosis of asthma and the impact of asthma on individuals, their families, and their communities. In addition, there appear to be no published survey instruments specifically designed to gain insights into how the general public perceives asthma. The purpose of this paper is to describe the development of such an instrument, the Chicago Community Asthma Survey (CCAS)-32. Development began with two qualitative steps. First, a review of the published literature guided the initial instrument construction (Step 1). Content domains were chosen based on clinical input and the Health Belief Model. Most items were derived from existing instruments. To assess content validity, cognitive interviews and expert reviews were conducted (Step 2). Items were added, modified, and deleted based on the information gathered at each of these steps. In the next step, item performance measurement (Step 3), testing of two samples provided quantitative data to further inform item reduction. Items with uniform correct responses or responses lacking in variability were excluded. The result of this three-step process was a 32-item survey of asthma knowledge, attitudes and perceptions, the CCAS-32. The introduction to the survey was subsequently modified to minimize respondent bias (Step 4). In conclusion, the CCAS-32 was constructed with input from experts in asthma and individuals from the Chicago area. The items in the CCAS-32 appear to have both face validity and acceptable performance characteristics.

This article has been cited by other articles:

				K. B. Weiss and E. N. Grant The Chicago Asthma Surveillance Initiative: A Community-Based Approach to Understanding Asthma Care Chest, October 1, 1999; 116(suppl_2): 141S - 145S. [Abstract] [Full Text] [PDF]

				T. Conway, T.-C. Hu, S. Bennett, and M. Niedos A Pilot Study Describing Local Residents' Perceptions of Asthma and Knowledge of Asthma Care in Selected Chicago Communities Chest, October 1, 1999; 116(suppl_2): 229S - 234S. [Abstract] [Full Text] [PDF]