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The psychometric properties of the Childhood Health Assessment Questionnaire (CHAQ) in children with cerebral palsy

Overview of attention for article published in BMC Neurology, September 2018
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Title
The psychometric properties of the Childhood Health Assessment Questionnaire (CHAQ) in children with cerebral palsy
Published in
BMC Neurology, September 2018
DOI 10.1186/s12883-018-1154-9
Pubmed ID
Authors

Soojung Chae, Eun-Young Park, Yoo-Im Choi

Abstract

The evaluation of children with cerebral palsy (CP) focuses on activity level measurement to examine the effect of health-care interventions on their physical functioning in the home, school, and community settings. This study aimed to identify the psychometric properties of the Korean version of the Childhood Health Assessment Questionnaire (CHAQ) by applying the Rasch model. The use of the Rasch model has an advantage in that item characteristic curve estimation is not affected by the characteristics of subject groups. Data were collected from 65 children with CP aged 75-190 months using the Korean version of the CHAQ. Response data were analyzed according to the Rasch model, and item fitness and difficulty and the appropriateness and reliability of the rating scale were evaluated. Among the 30 items of the Korean version of the CHAQ, two items (nail-cutting and opening a bottle cap that was already opened) were shown to be misfit items with low fitness. The analysis results for item difficulty indicated the requirement for modification of item difficulty, pointing out the need for the addition of question items with both higher and lower difficulty. The use of 4-point rating scale in the evaluation questionnaire was shown to be appropriate. With respect to analysis outcomes, the subjects' separation reliability value and separation index were 0.97 and 5.92, respectively. In contrast, the separation reliability value and separation index for the question items were 0.95 and 4.51, respectively. The results of this study suggest the need for the modification of item fitness and difficulty. The psychometric properties of the Korean version of the CHAQ were identified using the item response theory-based Rasch analysis.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 48 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 48 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 6 13%
Student > Bachelor 6 13%
Lecturer 4 8%
Student > Doctoral Student 4 8%
Student > Ph. D. Student 4 8%
Other 5 10%
Unknown 19 40%
Readers by discipline Count As %
Nursing and Health Professions 8 17%
Medicine and Dentistry 7 15%
Psychology 4 8%
Unspecified 2 4%
Agricultural and Biological Sciences 1 2%
Other 6 13%
Unknown 20 42%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 24 September 2018.
All research outputs
#14,425,486
of 23,103,903 outputs
Outputs from BMC Neurology
#1,248
of 2,471 outputs
Outputs of similar age
#191,726
of 342,063 outputs
Outputs of similar age from BMC Neurology
#24
of 49 outputs
Altmetric has tracked 23,103,903 research outputs across all sources so far. This one is in the 35th percentile – i.e., 35% of other outputs scored the same or lower than it.
So far Altmetric has tracked 2,471 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.9. This one is in the 44th percentile – i.e., 44% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 342,063 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 41st percentile – i.e., 41% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 49 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 51% of its contemporaries.