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ArticleQuality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation2021

Using confirmatory factor analysis and Rasch analysis to examine the dimensionality of The Patient Assessment of Care for Chronic Illness Care (PACIC).

Sylvie Lambert, Jane McCusker, Eric Belzile, Mark Yaffe, Chidinma Ihejirika, Julie Richardson, Susan Bartlett

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Article in Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation, 2021. 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.

  1. The adult social care outcomes toolkit easy read for older people (ASCOT-ER OP): an exploratory factor analysis and Rasch validation study.Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation · 2026
    Article
  2. Psychometric properties, and cultural appropriateness, of patient reported outcome measures for use in primary healthcare: a scoping review.Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation · 2025
    Article
  3. Article
  4. Exploratory factor analysis and Rasch analysis to assess the structural validity of the Adult Social Care Outcomes Toolkit Proxy version (ASCOT-Proxy) completed by care home staff.Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation · 2024
    Article
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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

7 authors.

Sylvie LambertIngram School of Nursing, McGill University, Montreal, Canada. sylvie.lambert@mcgill.ca.ORCID http://orcid.org/0000-0002-9202-9251
Jane McCuskerSt. Mary's Research Centre, Montreal, Canada.
Eric BelzileSt. Mary's Research Centre, Montreal, Canada.
Mark YaffeDepartments of Family Medicine, McGill University, St. Mary's Hospital Center, and the Integrated University Centre for Health and Social Services of West Island of Montreal, Montreal, Canada.
Chidinma IhejirikaIngram School of Nursing, McGill University, Montreal, Canada.
Julie RichardsonSchool of Rehabilitation, McMaster University, Hamilton, Canada.
Susan BartlettDepartment of Family Medicine, Faculty of Medicine and Health Sciences, McGill University, Montreal, Canada.

Funding

CIHR 139933
6 · The paper itself

Abstract

purposeThe PACIC assesses key components of the Chronic Care Model. The purpose of this study is to examine the dimensionality and psychometric properties of the PACIC.

methodsA convenience sample of 221 adults in Canada who self-identified as living with one or more physical and/or mental chronic diseases was invited to participate via an online survey link. Rasch analysis was performed, including item and person misfit, reliability, response format, targeting, unidimensionality of subscales, and differential item functioning (DIF). Also, Confirmatory Factor Analysis (CFA) was conducted and model fit of alternative factor structures proposed for the PACIC in the literature and those suggested by the Rasch analysis were explored.

resultsThe patient activation, delivery system, and problem-solving subscales fit the Rasch model expectations; no modifications were required. The goal setting item 10 had a disordered threshold and was recoded. Four of the five follow-up subscale items had a disordered threshold and were recoded. All subscales were unidimensional and no local dependency was detected. DIF was only detected for some items in the follow-up subscale. The CFA revealed that none of the published factor structures fit the data; the fit statistics were appropriate when item 10 was removed and the follow-up subscale was removed.

conclusionsImproving chronic disease care relies upon having validated measures to evaluate the extent to which care goals are met. With some modifications, four of the five PACIC subscales were found to be psychometrically robust.

Indexed as

Chronic DiseaseFactor Analysis, StatisticalFemaleHumansMaleNeeds AssessmentPsychometricsQuality of LifeSurveys and QuestionnairesChronic diseaseFactor analysisHealth care deliveryHealthcare systemsPsychometricsSelf-management

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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.