Quality of Life: A Longitudinal Analysis of Correlates of Morale in Old Age

This paper examines recurrent continuous morale in old age within a statistical modelling paradigm. The Anglicised Philadelphia Geriatric Centre Morale Scale was used as a small component of a major longitudinal study of old age in rural North Wales, U.K. The literature review and cross-sectional an...

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Main Author: Said Shahtahmasebi
Format: Article
Language:English
Published: Wiley 2004-01-01
Series:The Scientific World Journal
Online Access:http://dx.doi.org/10.1100/tsw.2004.9
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author Said Shahtahmasebi
author_facet Said Shahtahmasebi
author_sort Said Shahtahmasebi
collection DOAJ
description This paper examines recurrent continuous morale in old age within a statistical modelling paradigm. The Anglicised Philadelphia Geriatric Centre Morale Scale was used as a small component of a major longitudinal study of old age in rural North Wales, U.K. The literature review and cross-sectional analysis of morale in old age is published elsewhere. This paper deals with the aspect of the longitudinal analysis of morale in old age. The proposed statistical modelling relates recurrent morale to a set of explanatory variables that includes subjective as well as objective measures. In order to assess the degree to which explanatory variables influence morale, an adequate statistical model must handle the possibility that substantial variation between respondents will be due to unmeasured and potentially unmeasurable variables (residual heterogeneity), multicollinearity, and past behaviour effect. These applications are illustrated using morale in old age from the North Wales Longitudinal Study Old Age. The results suggested a strong presence of heterogeneity effect, i.e., current levels of morale appear to be individual specific and independent of its previous levels.
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spelling doaj-art-de3ac27af8d047d2be675321d2689b0a2025-02-03T05:50:25ZengWileyThe Scientific World Journal1537-744X2004-01-01410011010.1100/tsw.2004.9Quality of Life: A Longitudinal Analysis of Correlates of Morale in Old AgeSaid Shahtahmasebi0School of Mathematics and Statistics, Faculty of Health and Sciences, Christchurch Polytechnic Institute of Technology, PO Box 540, Christchurch, New ZealandThis paper examines recurrent continuous morale in old age within a statistical modelling paradigm. The Anglicised Philadelphia Geriatric Centre Morale Scale was used as a small component of a major longitudinal study of old age in rural North Wales, U.K. The literature review and cross-sectional analysis of morale in old age is published elsewhere. This paper deals with the aspect of the longitudinal analysis of morale in old age. The proposed statistical modelling relates recurrent morale to a set of explanatory variables that includes subjective as well as objective measures. In order to assess the degree to which explanatory variables influence morale, an adequate statistical model must handle the possibility that substantial variation between respondents will be due to unmeasured and potentially unmeasurable variables (residual heterogeneity), multicollinearity, and past behaviour effect. These applications are illustrated using morale in old age from the North Wales Longitudinal Study Old Age. The results suggested a strong presence of heterogeneity effect, i.e., current levels of morale appear to be individual specific and independent of its previous levels.http://dx.doi.org/10.1100/tsw.2004.9
spellingShingle Said Shahtahmasebi
Quality of Life: A Longitudinal Analysis of Correlates of Morale in Old Age
The Scientific World Journal
title Quality of Life: A Longitudinal Analysis of Correlates of Morale in Old Age
title_full Quality of Life: A Longitudinal Analysis of Correlates of Morale in Old Age
title_fullStr Quality of Life: A Longitudinal Analysis of Correlates of Morale in Old Age
title_full_unstemmed Quality of Life: A Longitudinal Analysis of Correlates of Morale in Old Age
title_short Quality of Life: A Longitudinal Analysis of Correlates of Morale in Old Age
title_sort quality of life a longitudinal analysis of correlates of morale in old age
url http://dx.doi.org/10.1100/tsw.2004.9
work_keys_str_mv AT saidshahtahmasebi qualityoflifealongitudinalanalysisofcorrelatesofmoraleinoldage