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Volume 16 Issue 3 June 2007Do people self-reporting information about chronic respiratory disease have corroborative evidence in their general practice medical records? A study of intermethod reliability • Original Research Pages 162-168 *Lisa Iversena, Philip C Hannaforda, David J Goddenb, David Pricea a Department of General Practice and Primary Care, University of Aberdeen, Aberdeen, Scotland, UK b Centre for Rural Health, The Greenhouse, Beechwood Business Park, Inverness, IV2 3BL, UK Received 17 October 2006 • Accepted 17 February 2007 • Online 21 May 2007 Abstract AIMS: To use intermethod reliability to compare self-reported data about chronic respiratory disease and health service utilisation with data contained in general practice medical records. METHODS: Self-reported postal questionnaire information from a small cohort of an age-sex stratified sample of 2318 patients was compared with information contained in their medical records. The agreement between the two sources of information was assessed. RESULTS: The case notes of 115/135 individuals from eight general practices were examined. For self-reported chest injury or operation (kappa, κ=-0.03), or chronic bronchitis (κ=0.10), agreement was poor. Agreement for self-reported pleurisy (κ=0.32), hay fever or rhinitis (κ=0.40), or eczema or dermatitis (κ=0.30) was fair; for chronic obstructive pulmonary disease (COPD) or emphysema (κ=0.56), or heart trouble (κ=0.54), agreement was moderate; for asthma (κ=0.78) or pneumonia (κ=0.62), agreement was good; and for pulmonary tuberculosis (κ=0.88), agreement was very good. The strength of agreement for information about health service utilisation for respiratory problems ranged from moderate to very good and was good for smoking status. CONCLUSIONS: Although based on small numbers, our results suggest good or very good agreement between self-reported data and general practice medical records for the absence or presence of some respiratory conditions and some types of respiratory-related health care utilisation. Depending on the research question being examined self-reported information may be appropriate. Keywords agreement, chronic respiratory disease, intermethod reliability, medical records, postal questionnaire, self-report View full text as PDF document Right click on this DOI link and copy link to cite this article (What is a DOI link?) * Corresponding author. Lisa Iversen Tel: +44 (0)1224 554226 Fax: +44 (0)1224 550683 Email: l.iversen@abdn.ac.uk |
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