The Hierarchical Structure of Geriatric Patient Satisfaction

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Abstract
This paper describes an instrument design effort aimed at measuring patient- satisfaction among older (65 years and over) subscribers of HMOs. The study was conducted in a multi-satellite prepaid group practice in Buffalo, New York. In order to be able to construct a satisfaction measure that would reflect the interests of the actual consumers of HMO-services, a series of four focused group interviews were held with 24 randomly selected elderly enrollees. The substantive content of these interviews was systematically analyzed for both topics and ideas, yielding a total of 173 distinct ideas about the perceived satisfaction with the services received expressed over 3,176 lines of narrative. From this substantive pool, sixty attitudinal statements were constructed with the ideas represented in these statements being proportional to the number of lines of transcribed discussion devoted to each topic. This 60-item Older Patient Satisfaction Scale (OPSS) was submitted to a systematic sample of 229 elderly HMO subscribers. They also were asked to complete two existing scales: the Ware PSQ, and the Larsen CSQ-8. Factor analysis performed on the OPSS-items yielded 14 primary factors of geriatric patient satisfaction, two second-order and one third order general factor. As the second-order factors accounted for the largest proportion of the common variance, those items of the original 60-item OPSS were identified that had highest loadings on these second-order factors, yielding 7 such items for one and 5 for the other. These scales had alpha-reliabilities of .83 and .80, respectively. It was also found that the OPSS had good convergent validity with the PSQ and CSQ-8. The overall psychometric properties identified for the OPSS, as well as the fact that it was constructed from a health-care consumer's perspective, makes it well suited for use with a unique and rapidly expanding geriatric patient population.

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