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Health and Quality of Life Outcomes
Published in: Health and Quality of Life Outcomes 1/2020

Open Access 01-12-2020 | Care | Research

Measurement invariance across gender and age groups, validity and reliability of the Chinese version of the short-form supportive care needs survey questionnaire (SCNS-SF34)

Authors: Edmond Pui Hang Choi, Qiuyan Liao, Inda Soong, Karen Kar Loen Chan, Conrad C. Y. Lee, Alice Ng, Wing Kin Sze, Janice Wing Hang Tsang, Victor Ho Fun Lee, Wendy Wing Tak Lam

Published in: Health and Quality of Life Outcomes | Issue 1/2020

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Abstract

Background

Despite the wide use of the Short-Form Supportive Care Needs Survey Questionnaire (SCNS-SF34), the measurement invariance of the SCNS-SF34 across the main groups—gender and age—which might be of interest in the application of the instrument has never been confirmed. To provide an accurate assessment tool to evaluate the unmet needs of Chinese cancer patients, the present study aimed to assess the measurement invariance of the SCNS-SF34 across gender and age groups and to assess the validity and reliability of the Chinese version of the SCNS-SF34.

Methods

The SCNS-SF34 was administrated to 1106 Chinese cancer patients. Other instruments included the Memorial Symptom Assessment Scale-Short Form (MSAS-SF), the Short-Form-12 Health Survey version 2 (SF-12 v2) and the Hospital Anxiety and Depression Scale (HADS). Factor structure, internal construct validity, convergent validity, known-group validity and internal consistency were assessed.

Results

Our data fit the original five-factor model. Multi-group confirmatory factor analysis indicated measurement invariance across age and gender groups. The domains of the SCNS-SF34 had moderate correlations with the corresponding domains of the MSAS-SF, the SF-12 v2 and the HADS, which supported convergent validity. Of the 34 items, 33 had an item-total correlation that was corrected for an overlap of > 0.4 to support the internal construct validity. The SCNS-SF34 aptly differentiated patients by age and gender. The Cronbach’s alpha coefficient ranged from 0.64 to 0.87.

Conclusions

We confirm the measurement invariance of the Chinese version of the SCNS-SF34 across gender and age group. It is a valid and reliable tool for evaluating the needs of Chinese patients with cancer.
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Metadata
Title
Measurement invariance across gender and age groups, validity and reliability of the Chinese version of the short-form supportive care needs survey questionnaire (SCNS-SF34)
Authors
Edmond Pui Hang Choi
Qiuyan Liao
Inda Soong
Karen Kar Loen Chan
Conrad C. Y. Lee
Alice Ng
Wing Kin Sze
Janice Wing Hang Tsang
Victor Ho Fun Lee
Wendy Wing Tak Lam
Publication date
01-12-2020
Publisher
BioMed Central
Keyword
Care
Published in
Health and Quality of Life Outcomes / Issue 1/2020
Electronic ISSN: 1477-7525
DOI
https://doi.org/10.1186/s12955-020-01289-0

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