Studying suicide using proxy-based data: reliability and validity of a short version scale for measuring quality of life in rural China

Background To evaluate the reliability and validity of the short version six-item Quality of Life Scale (QOLS-6) and the consistency of subject-proxy data in a case-control psychological autopsy study on elderly suicide in rural China. Methods A two-stage stratified cluster sampling method was used...

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Autores principales:	Huiming He, Qiqing Mo, Xinyu Bai, Xinguang Chen, Cunxian Jia, Liang Zhou, Zhenyu Ma
Formato:	article
Lenguaje:	EN
Publicado:	PeerJ Inc. 2021
Materias:	Quality of life Psychological autopsy Suicide Chinese rural elderly Medicine R
Acceso en línea:	https://doaj.org/article/e7c5a8a3b93442bab647fe50b83486be
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spelling	oai:doaj.org-article:e7c5a8a3b93442bab647fe50b83486be2021-11-11T15:05:40ZStudying suicide using proxy-based data: reliability and validity of a short version scale for measuring quality of life in rural China10.7717/peerj.123962167-8359https://doaj.org/article/e7c5a8a3b93442bab647fe50b83486be2021-11-01T00:00:00Zhttps://peerj.com/articles/12396.pdfhttps://peerj.com/articles/12396/https://doaj.org/toc/2167-8359Background To evaluate the reliability and validity of the short version six-item Quality of Life Scale (QOLS-6) and the consistency of subject-proxy data in a case-control psychological autopsy study on elderly suicide in rural China. Methods A two-stage stratified cluster sampling method was used to select research sites. We used self-administered questionnaires to collect proxy-based information from informants and subject-based information from living comparisons. Results A total of 242 pairs of suicide cases and living comparisons were selected in our research. Subject-proxy consistency for QOLS-6 was good (Intraclass correlation coefficient (ICC) was 0.688) in living controls. Good internal consistency of QOLS-6 was validated by Cronbach’s α being greater than 0.6 among suicide cases and living comparisons. The mean scores of quality of life were lower among suicide cases than living controls. Quality of life was negatively correlated with depression, loneliness, hopelessness, impulsiveness and stressful life events, while it was positively correlated with activities of daily living and family function. Conclusions QOLS-6 has good reliability and validity, which can be used for assessing quality of life among Chinese rural older adults. It is shorter and easier than any other scale for measuring quality of life and can be used as a screening tool in future studies.Huiming HeQiqing MoXinyu BaiXinguang ChenCunxian JiaLiang ZhouZhenyu MaPeerJ Inc.articleQuality of lifePsychological autopsySuicideChinese rural elderlyMedicineRENPeerJ, Vol 9, p e12396 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Quality of life Psychological autopsy Suicide Chinese rural elderly Medicine R
spellingShingle	Quality of life Psychological autopsy Suicide Chinese rural elderly Medicine R Huiming He Qiqing Mo Xinyu Bai Xinguang Chen Cunxian Jia Liang Zhou Zhenyu Ma Studying suicide using proxy-based data: reliability and validity of a short version scale for measuring quality of life in rural China
description	Background To evaluate the reliability and validity of the short version six-item Quality of Life Scale (QOLS-6) and the consistency of subject-proxy data in a case-control psychological autopsy study on elderly suicide in rural China. Methods A two-stage stratified cluster sampling method was used to select research sites. We used self-administered questionnaires to collect proxy-based information from informants and subject-based information from living comparisons. Results A total of 242 pairs of suicide cases and living comparisons were selected in our research. Subject-proxy consistency for QOLS-6 was good (Intraclass correlation coefficient (ICC) was 0.688) in living controls. Good internal consistency of QOLS-6 was validated by Cronbach’s α being greater than 0.6 among suicide cases and living comparisons. The mean scores of quality of life were lower among suicide cases than living controls. Quality of life was negatively correlated with depression, loneliness, hopelessness, impulsiveness and stressful life events, while it was positively correlated with activities of daily living and family function. Conclusions QOLS-6 has good reliability and validity, which can be used for assessing quality of life among Chinese rural older adults. It is shorter and easier than any other scale for measuring quality of life and can be used as a screening tool in future studies.
format	article
author	Huiming He Qiqing Mo Xinyu Bai Xinguang Chen Cunxian Jia Liang Zhou Zhenyu Ma
author_facet	Huiming He Qiqing Mo Xinyu Bai Xinguang Chen Cunxian Jia Liang Zhou Zhenyu Ma
author_sort	Huiming He
title	Studying suicide using proxy-based data: reliability and validity of a short version scale for measuring quality of life in rural China
title_short	Studying suicide using proxy-based data: reliability and validity of a short version scale for measuring quality of life in rural China
title_full	Studying suicide using proxy-based data: reliability and validity of a short version scale for measuring quality of life in rural China
title_fullStr	Studying suicide using proxy-based data: reliability and validity of a short version scale for measuring quality of life in rural China
title_full_unstemmed	Studying suicide using proxy-based data: reliability and validity of a short version scale for measuring quality of life in rural China
title_sort	studying suicide using proxy-based data: reliability and validity of a short version scale for measuring quality of life in rural china
publisher	PeerJ Inc.
publishDate	2021
url	https://doaj.org/article/e7c5a8a3b93442bab647fe50b83486be
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Studying suicide using proxy-based data: reliability and validity of a short version scale for measuring quality of life in rural China

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