Evidence map›Paper›PMID 26667289›Full record

ArticleInternational journal of yoga therapy

The Essential Properties of Yoga Questionnaire: Development and Methods.

Erik J Groessl, Meghan Maiya, A Rani Elwy, Kristen E Riley, Andrew J Sarkin, Susan V Eisen, Tosca Braun, Ian Gutierrez, Luwam Kidane, Crystal L Park

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in International journal of yoga therapy. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Erik J GroesslUniversity of California San Diego, Health Services Research Center, La Jolla, CA.
Meghan MaiyaUniversity of California San Diego, Health Services Research Center, La Jolla, CA.
A Rani ElwyBoston University School of Public Health, Department of Health Policy and Management, Boston, MA.
Kristen E RileyUniversity of Connecticut, Department of Clinical Psychology, Storrs, CT.
Andrew J SarkinUniversity of California San Diego, Health Services Research Center, La Jolla, CA.
Susan V EisenBoston University School of Public Health, Department of Health Policy and Management, Boston, MA.
Tosca BraunUniversity of Connecticut, Department of Clinical Psychology, Storrs, CT.
Ian GutierrezUniversity of Connecticut, Department of Clinical Psychology, Storrs, CT.
Luwam KidaneUniversity of California San Diego, Health Services Research Center, La Jolla, CA.
Crystal L ParkUniversity of Connecticut, Department of Clinical Psychology, Storrs, CT.

Funding

Development of a Translational Tool to Study Yoga TherapyR01AT006466 · NCCIH · UNIVERSITY OF CONNECTICUT STORRS · PI PARK, CRYSTAL L. · 2010 to 2014
$2.7M
NCCIH NIH HHS R01 AT006466
6 · The paper itself

Abstract

Yoga interventions have considerable heterogeneity, are multi-dimensional, and may impact health in different ways. However, most research reports regarding the effects of yoga on health and wellbeing do not adequately describe the components of the yoga interventions being used. Thus, drawing comparisons across studies or understanding the relative effects of specific aspects of a yoga intervention are rarely possible. To address this problem, we created the Essential Properties of Yoga Questionnaire (EPYQ) Project, an NCCAM-funded set of studies to develop a translational tool for yoga researchers. Here we describe the methods and developmental processes used in the EPYQ Project in detail. The project consists of four main phases. Phase I was designed to gain a comprehensive understanding of the relevant aspects of yoga by conducting a comprehensive systematic literature review and conducting focus groups with stakeholders including a wide variety of yoga teachers and students. In Phase II, a pool of potential questionnaire items was developed for the prototypic questionnaire using information from Phase I. Cognitive interviews were conducted with the preliminary EPYQ items to assess the perceived clarity, meaning, and importance of each item. In Phase III, the prototypic questionnaire was administered to two large samples of yoga students and instructors. Military personnel and veterans who practiced or taught yoga (n = 329) were recruited to participate. Factor analysis and item response theory were used to identify factors and select the final questionnaire items. Phase IV is ongoing and will collect reliability and validity data on the final instrument. Results are expected to be available in 2016. The EPYQ will provide an objective tool for describing the amount of various components of yoga interventions, eventually allowing researchers to link specific yoga components to health benefits, and facilitating the design of yoga interventions for specific health conditions.

Identifiers

PMID26667289
PMCPMC6943820

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.