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Original Article
Computerized Measurement for Asthma-Specific Quality of Life: Comparison with a Conventional Paper-and-Pencil Questionnaire
Eun-Hyun Lee
Journal of Korean Academy of Nursing 2009;39(6):781-787.
DOI: https://doi.org/10.4040/jkan.2009.39.6.781
Published online: December 31, 2009

Assistant Professor, Graduate School of Public Health, Ajou University, Suwon, Korea.

Address reprint requests to: Lee, Eun-Hyun. Graduate School of Public Health, Ajou University, San 5 Woncheon-dong, Yeongtong-gu, Suwon 443-721, Korea. Tel: 82-31-219-5296, Fax: 82-31-219-5084, ehlee@ajou.ac.kr
• Received: August 18, 2009   • Accepted: November 11, 2009

Copyright © 2009 Korean Society of Nursing Science

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  • Purpose
    The purpose of this study was to evaluate a computerized touch-screen version of the asthma-specific quality-of-life (cA-QOL) questionnaire against the conventional paper-and-pencil version (pA-QOL) for equivalence, time for completion, user preference, and ease of use.
  • Methods
    A total of 261 patients were recruited. A randomized cross-over design was used. Patients in group A completed the cA-QOL first while waiting to see a physician, and completed the pA-QOL version after seeing the physician. Patients allocated in group B completed these questionnaires in the reverse order. The patients were asked questions about user preference and ease of use of the cA-QOL. The time taken to complete both versions of the questionnaire was measured.
  • Results
    Weighted kappa coefficients of all items showed almost perfect agreement. The time required to complete the pA-QOL is faster than the time for cA-QOL. The patients who preferred the cA-QOL were 37.5%, while those who preferred the pA-QOL were 29.9%. Most patients reported that the cA-QOL was "easy" or "very easy" to complete.
  • Conclusion
    The cA-QOL is the computerized equivalent of the pA-QOL. The findings herein demonstrate that the cA-QOL can be helpful to nurses in busy practices for assessing, collecting, and evaluating their patients' health related quality of life.
  • Keywords: Asthma; Health-related quality of life; Computer; Measurement
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Figure 1
Randomized cross-over design.
cA-QOL=computer mode of A-QOL; pA-QOL=paper mode of A-QOL.
jkan-39-781-g001.jpg
Figure 2
Mean of log time taken to complete the cA-QOL and pA-QOL.
cA-QOL=computer mode of A-QOL; pA-QOL=paper mode of A-QOL.
jkan-39-781-g002.jpg
Table 1
Patient Characteristics (N=261)
jkan-39-781-i001.jpg

*Fisher's exact test.

Group A completed cA-QOL first, followed by the pA-QOL; Group B completed pA-QOL first followed by the cA-QOL; cA-QOL=computer mode of A-QOL; pA-QOL=paper mode of A-QOL.

Table 2
Individual Score Agreement between the cA-QOL and pA-QOL: Κw
jkan-39-781-i002.jpg

cA-QOL=computer mode of A-QOL; pA-QOL=paper mode of A-QOL; Κw=weighted linear and quadratic kappa.

Table 3
Two-Period Cross-Over Study of the Mean of Log Time Taken to Complete the cA-QOL and the pA-QOL
jkan-39-781-i003.jpg

cA-QOL=computer mode of A-QOL; pA-QOL=paper mode of A-QOL.

Figure & Data

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        Computerized Measurement for Asthma-Specific Quality of Life: Comparison with a Conventional Paper-and-Pencil Questionnaire
        J Korean Acad Nurs. 2009;39(6):781-787.   Published online December 31, 2009
        DOI: https://doi.org/10.4040/jkan.2009.39.6.781
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      Computerized Measurement for Asthma-Specific Quality of Life: Comparison with a Conventional Paper-and-Pencil Questionnaire
      Image Image
      Figure 1 Randomized cross-over design. cA-QOL=computer mode of A-QOL; pA-QOL=paper mode of A-QOL.
      Figure 2 Mean of log time taken to complete the cA-QOL and pA-QOL. cA-QOL=computer mode of A-QOL; pA-QOL=paper mode of A-QOL.

      Figure 1

      Figure 2

      Computerized Measurement for Asthma-Specific Quality of Life: Comparison with a Conventional Paper-and-Pencil Questionnaire

      Patient Characteristics (N=261)

      *Fisher's exact test.

      Group A completed cA-QOL first, followed by the pA-QOL; Group B completed pA-QOL first followed by the cA-QOL; cA-QOL=computer mode of A-QOL; pA-QOL=paper mode of A-QOL.

      Individual Score Agreement between the cA-QOL and pA-QOL: Κw

      cA-QOL=computer mode of A-QOL; pA-QOL=paper mode of A-QOL; Κw=weighted linear and quadratic kappa.

      Two-Period Cross-Over Study of the Mean of Log Time Taken to Complete the cA-QOL and the pA-QOL

      cA-QOL=computer mode of A-QOL; pA-QOL=paper mode of A-QOL.
      Table 1 Patient Characteristics (N=261)

      *Fisher's exact test.

      Group A completed cA-QOL first, followed by the pA-QOL; Group B completed pA-QOL first followed by the cA-QOL; cA-QOL=computer mode of A-QOL; pA-QOL=paper mode of A-QOL.

      Table 2 Individual Score Agreement between the cA-QOL and pA-QOL: Κw

      cA-QOL=computer mode of A-QOL; pA-QOL=paper mode of A-QOL; Κw=weighted linear and quadratic kappa.

      Table 3 Two-Period Cross-Over Study of the Mean of Log Time Taken to Complete the cA-QOL and the pA-QOL

      cA-QOL=computer mode of A-QOL; pA-QOL=paper mode of A-QOL.

      Table 1

      Table 2

      Table 3

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