May 2005
Volume 46, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2005
Effect of Written Instructions on Accuracy of Self–reporting Medications in Glaucoma Patients
Author Affiliations & Notes
  • B.V. Kharod
    Ophthalmology, WILLS EYE HOSPITAL, Philadelphia, PA
  • P.B. Johnson
    Medical School, Jefferson University, Philadelphia, PA
  • H.A. Nesti
    Ophthalmology, Wills Eye Hospital, Philadelphia, PA
  • D.J. Rhee
    Ophthalmology, Wills Eye Hospital, Philadelphia, PA
  • Footnotes
    Commercial Relationships  B.V. Kharod, None; P.B. Johnson, None; H.A. Nesti, None; D.J. Rhee, None.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science May 2005, Vol.46, 2466. doi:
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      B.V. Kharod, P.B. Johnson, H.A. Nesti, D.J. Rhee; Effect of Written Instructions on Accuracy of Self–reporting Medications in Glaucoma Patients . Invest. Ophthalmol. Vis. Sci. 2005;46(13):2466.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Abstract: : Purpose: The purposes of our study are to evaluate the accuracy of self reporting ophthalmic medications in a glaucoma population, identify factors contributing to patient accuracy, and assess the effect of written instructions on the accuracy of self reporting medications Methods: All patients at an urban resident glaucoma clinic were offered participation. Two trained interviewers administered a questionnaire consisting of questions regarding the regimen of ophthalmic medications and demographics. A verbatim response was recorded. At the end of their examination, patients were given a written chart describing their ophthalmic medications, frequency, and dosage. At their next scheduled visit, the same questionnaire was repeated, and a verbatim response was recorded. The patients’ responses from both visits were compared with the regimen they were prescribed and to each other. . Results: 198 patients were offered participation. 193 patients were enrolled in the study, and 164 patients completed both phases. At the first visit, 66 patients (40%) showed less than 100% accuracy (p<0.001). Patients with less than high school education had a lower level of accuracy. 53 of 66 (83%) patients showed improvement in accuracy at their second visit after written instructions (p = 0.002). The number of medications ranged from one to four medications. For each level of accuracy less than 100%, patients on fewer medications had a lower percentage. Gender and age of the patient showed no statistically significant correlation with the accuracy of self reporting. Conclusions: Accuracy of reporting medications in our population was 60% prior to our intervention of providing written instructions. Education level and the number of medications were shown to have a direct correlation with patients’ ability to report their medications accurately. Patients in all groups, regardless of education level and number of medications, showed significant improvement in accuracy of reporting medications after written instructions. 131 of 164 patients (80%) showed one hundred percent accuracy of reporting medications after our intervention of written instructions. If patients are reporting medications as they administer them, there is significant improvement in administration of medications after written instructions.

Keywords: clinical (human) or epidemiologic studies: treatment/prevention assessment/controlled • clinical (human) or epidemiologic studies: risk factor assessment • clinical (human) or epidemiologic studies: outcomes/complications 
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