The construct validity of the Child Health Utility 9D-DK instrument

Karin Dam Petersen; Julie Ratcliffe; Gang Chen; Dorthe Serles; Christine Stampe Frøsig; Anne Vingaard Olesen

doi:10.1186/s12955-019-1256-0

The construct validity of the Child Health Utility 9D-DK instrument

Karin Dam Petersen, Julie Ratcliffe, Gang Chen, Dorthe Serles, Christine Stampe Frøsig, Anne Vingaard Olesen

College of Nursing and Health Sciences

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

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Abstract

Background: Relative to their application with adults there is currently little information about the application of preference-based health-related quality of life (HRQL) instruments among populations of young people. The Child Health Utility 9D (CHU9D) is a paediatric-specific generic preference-based HRQL instrument, recently translated and linguistically validated into Danish (CHU9D-DK). The purpose of this study was to investigate the construct validity of the CHU9D-DK in a sample of Danish high school students. Methods: All students attending a Danish High School were invited to participate in a web-based survey in January 2018 (N = 272). The survey included the CHU9D-DK, the young adult version of the Pediatric Quality of Life Inventory™ 4.0 Generic Core Scales (PedsQL), self-reported health status, presence/absence of disability/chronic diseases, life satisfaction, and socio-economic questions. CHU9D-DK utility scores were generated by employing the two scoring algorithms developed from adults in the UK and adolescents in Australia, respectively. Internal consistency, reliability and construct validity of the CHU9D-DK instrument were investigated. Results: Two hundred and twenty-eight (84%) students consented to participate and completed the survey. The mean ± (standard deviation) values of the CHU9D-DK utilities were 0.84 (0.11) when the UK adult algorithm was applied and 0.70 (0.22), when the Australian adolescent algorithm was applied. The mean PedsQL score was 82.32 (13.14). The CHU9D-DK showed good internal consistency reliability (Cronbach's alpha = 0.803). Higher levels of health status and life satisfaction were significantly associated with higher CHU9D-DK utility scores regardless of which scoring algorithm was applied (p-values < 0.001). Students living with a disability/chronic disease exhibited significantly lower utility scores relative to their healthy peers (p-values < 0.05). Higher socio-economic status (approximated by financial situation and frequency of family vacations) was also associated with higher utility scores (p-values < 0.005). Conclusion: The CHU9D-DK demonstrated good psychometric performance overall and shows potential as a valid and reliable instrument for assessing the HRQL of Danish young people. Trial registration: ClinicalTrials.gov identifier: NCT03391999, Registered 15 October 2017.

Original language	English
Article number	187
Number of pages	12
Journal	Health and Quality of Life Outcomes
Volume	17
Issue number	1
DOIs	https://doi.org/10.1186/s12955-019-1256-0
Publication status	Published - 23 Dec 2019

Bibliographical note

Open Access. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

Keywords

Adolescents
CHU9D
Construct validity
Health related quality of life
High school
Outcome assessment
Patient-reported outcomes
PedsQL
Young adults

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Cite this

@article{22820647d68046df9694220490d622c1,

title = "The construct validity of the Child Health Utility 9D-DK instrument",

abstract = "Background: Relative to their application with adults there is currently little information about the application of preference-based health-related quality of life (HRQL) instruments among populations of young people. The Child Health Utility 9D (CHU9D) is a paediatric-specific generic preference-based HRQL instrument, recently translated and linguistically validated into Danish (CHU9D-DK). The purpose of this study was to investigate the construct validity of the CHU9D-DK in a sample of Danish high school students. Methods: All students attending a Danish High School were invited to participate in a web-based survey in January 2018 (N = 272). The survey included the CHU9D-DK, the young adult version of the Pediatric Quality of Life Inventory{\texttrademark} 4.0 Generic Core Scales (PedsQL), self-reported health status, presence/absence of disability/chronic diseases, life satisfaction, and socio-economic questions. CHU9D-DK utility scores were generated by employing the two scoring algorithms developed from adults in the UK and adolescents in Australia, respectively. Internal consistency, reliability and construct validity of the CHU9D-DK instrument were investigated. Results: Two hundred and twenty-eight (84%) students consented to participate and completed the survey. The mean ± (standard deviation) values of the CHU9D-DK utilities were 0.84 (0.11) when the UK adult algorithm was applied and 0.70 (0.22), when the Australian adolescent algorithm was applied. The mean PedsQL score was 82.32 (13.14). The CHU9D-DK showed good internal consistency reliability (Cronbach's alpha = 0.803). Higher levels of health status and life satisfaction were significantly associated with higher CHU9D-DK utility scores regardless of which scoring algorithm was applied (p-values < 0.001). Students living with a disability/chronic disease exhibited significantly lower utility scores relative to their healthy peers (p-values < 0.05). Higher socio-economic status (approximated by financial situation and frequency of family vacations) was also associated with higher utility scores (p-values < 0.005). Conclusion: The CHU9D-DK demonstrated good psychometric performance overall and shows potential as a valid and reliable instrument for assessing the HRQL of Danish young people. Trial registration: ClinicalTrials.gov identifier: NCT03391999, Registered 15 October 2017.",

keywords = "Adolescents, CHU9D, Construct validity, Health related quality of life, High school, Outcome assessment, Patient-reported outcomes, PedsQL, Young adults",

author = "Petersen, {Karin Dam} and Julie Ratcliffe and Gang Chen and Dorthe Serles and Fr{\o}sig, {Christine Stampe} and Olesen, {Anne Vingaard}",

note = "Open Access. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.",

year = "2019",

month = dec,

day = "23",

doi = "10.1186/s12955-019-1256-0",

language = "English",

volume = "17",

journal = "Health and Quality of Life Outcomes",

issn = "1477-7525",

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number = "1",

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T1 - The construct validity of the Child Health Utility 9D-DK instrument

AU - Petersen, Karin Dam

AU - Ratcliffe, Julie

AU - Chen, Gang

AU - Serles, Dorthe

AU - Frøsig, Christine Stampe

AU - Olesen, Anne Vingaard

N1 - Open Access. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

PY - 2019/12/23

Y1 - 2019/12/23

N2 - Background: Relative to their application with adults there is currently little information about the application of preference-based health-related quality of life (HRQL) instruments among populations of young people. The Child Health Utility 9D (CHU9D) is a paediatric-specific generic preference-based HRQL instrument, recently translated and linguistically validated into Danish (CHU9D-DK). The purpose of this study was to investigate the construct validity of the CHU9D-DK in a sample of Danish high school students. Methods: All students attending a Danish High School were invited to participate in a web-based survey in January 2018 (N = 272). The survey included the CHU9D-DK, the young adult version of the Pediatric Quality of Life Inventory™ 4.0 Generic Core Scales (PedsQL), self-reported health status, presence/absence of disability/chronic diseases, life satisfaction, and socio-economic questions. CHU9D-DK utility scores were generated by employing the two scoring algorithms developed from adults in the UK and adolescents in Australia, respectively. Internal consistency, reliability and construct validity of the CHU9D-DK instrument were investigated. Results: Two hundred and twenty-eight (84%) students consented to participate and completed the survey. The mean ± (standard deviation) values of the CHU9D-DK utilities were 0.84 (0.11) when the UK adult algorithm was applied and 0.70 (0.22), when the Australian adolescent algorithm was applied. The mean PedsQL score was 82.32 (13.14). The CHU9D-DK showed good internal consistency reliability (Cronbach's alpha = 0.803). Higher levels of health status and life satisfaction were significantly associated with higher CHU9D-DK utility scores regardless of which scoring algorithm was applied (p-values < 0.001). Students living with a disability/chronic disease exhibited significantly lower utility scores relative to their healthy peers (p-values < 0.05). Higher socio-economic status (approximated by financial situation and frequency of family vacations) was also associated with higher utility scores (p-values < 0.005). Conclusion: The CHU9D-DK demonstrated good psychometric performance overall and shows potential as a valid and reliable instrument for assessing the HRQL of Danish young people. Trial registration: ClinicalTrials.gov identifier: NCT03391999, Registered 15 October 2017.

AB - Background: Relative to their application with adults there is currently little information about the application of preference-based health-related quality of life (HRQL) instruments among populations of young people. The Child Health Utility 9D (CHU9D) is a paediatric-specific generic preference-based HRQL instrument, recently translated and linguistically validated into Danish (CHU9D-DK). The purpose of this study was to investigate the construct validity of the CHU9D-DK in a sample of Danish high school students. Methods: All students attending a Danish High School were invited to participate in a web-based survey in January 2018 (N = 272). The survey included the CHU9D-DK, the young adult version of the Pediatric Quality of Life Inventory™ 4.0 Generic Core Scales (PedsQL), self-reported health status, presence/absence of disability/chronic diseases, life satisfaction, and socio-economic questions. CHU9D-DK utility scores were generated by employing the two scoring algorithms developed from adults in the UK and adolescents in Australia, respectively. Internal consistency, reliability and construct validity of the CHU9D-DK instrument were investigated. Results: Two hundred and twenty-eight (84%) students consented to participate and completed the survey. The mean ± (standard deviation) values of the CHU9D-DK utilities were 0.84 (0.11) when the UK adult algorithm was applied and 0.70 (0.22), when the Australian adolescent algorithm was applied. The mean PedsQL score was 82.32 (13.14). The CHU9D-DK showed good internal consistency reliability (Cronbach's alpha = 0.803). Higher levels of health status and life satisfaction were significantly associated with higher CHU9D-DK utility scores regardless of which scoring algorithm was applied (p-values < 0.001). Students living with a disability/chronic disease exhibited significantly lower utility scores relative to their healthy peers (p-values < 0.05). Higher socio-economic status (approximated by financial situation and frequency of family vacations) was also associated with higher utility scores (p-values < 0.005). Conclusion: The CHU9D-DK demonstrated good psychometric performance overall and shows potential as a valid and reliable instrument for assessing the HRQL of Danish young people. Trial registration: ClinicalTrials.gov identifier: NCT03391999, Registered 15 October 2017.

KW - Adolescents

KW - CHU9D

KW - Construct validity

KW - Health related quality of life

KW - High school

KW - Outcome assessment

KW - Patient-reported outcomes

KW - PedsQL

KW - Young adults

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DO - 10.1186/s12955-019-1256-0

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VL - 17

JO - Health and Quality of Life Outcomes

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ER -

The construct validity of the Child Health Utility 9D-DK instrument

Abstract

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Keywords

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