Accepted for/Published in: JMIR Formative Research
Date Submitted: Jun 3, 2022
Date Accepted: Sep 2, 2022
Warning: This is an author submission that is not peer-reviewed or edited. Preprints - unless they show as "accepted" - should not be relied on to guide clinical practice or health-related behavior and should not be reported in news media as established information.
The Validity of the Parsley Symptom Index: an e-PROM designed for Telehealth
ABSTRACT
Background:
The Parsley Symptom Index (PSI) is a recently developed symptom assessment for adults with chronic disease in telehealth settings.
Objective:
The purpose of this study was to validate the PSI against the Self-Rated Health (SRH) item.
Methods:
This prospective cohort study took place from January 15, 2021 to December 15, 2021 among a sample of 10,519 adult patients at Parsley Health, a subscription based holistic medical practice. The PSI and the SRH were completed by patients via an online portal. The association between the PSI and SRH was assessed via polyserial and polychoric correlations, while weighted kappa scores provided information related to agreement between the PSI and SRH.
Results:
From 22,748 responses, there were moderate levels of association (polyserial r=0.51; polychoric r=0.52) and agreement (weighted ???? = 0.46) between the PSI and SRH. In total 74.2% (16865) of responses between the PSI and SRH were relatively congruent while 36.2% (8229) were literally congruent.
Conclusions:
The PSI demonstrates validity with the SRH for adults with chronic disease in a telehealth setting.
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