Health-related quality of life and life satisfaction in colorectal cancer survivors: trajectories of adjustment

Dunn, Jeff and Ng, Shu Kay and Breitbart, William and Aitken, Joanne and Youl, Pip and Baade, Peter D. and Chambers, Suzanne K. (2013) Health-related quality of life and life satisfaction in colorectal cancer survivors: trajectories of adjustment. Health and Quality of Life Outcomes, 11 (1).

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Abstract

Background: This longitudinal study describes the five year trajectories of health-related quality of life (HR-QOL) and life satisfaction in long term colorectal cancer survivors.Patients and methods: A population-based sample of 1966 colorectal cancer survivors were surveyed at six time points from five months to five years post-diagnosis. Predictor variables were: socio-demographic variables, optimism; cancer threat appraisal; perceived social support. Quality of life was assessed with the Functional Assessment of Cancer Therapy-Colorectal (HR-QOL); and the Satisfaction with Life Scale. Growth mixture models were applied to identify trajectory classes and their predictors.Results: Distinct adjustment trajectories were identified for HR-QOL and life satisfaction. Lower optimism, poorer social support, a more negative cognitive appraisal, and younger age were associated with poorer life satisfaction, while survivors with less than 8 years of education had higher life satisfaction. This pattern was similar for overall HR-QOL except that educational level was not a significant predictor and later stage disease and female gender emerged as related to poorer outcomes. One in five survivors reported poorer constant HR-QOL (19.2%) and a small group had poor life satisfaction (7.2%); 26.2% reported constant high HR-QOL and 48.8% had high constant life satisfaction. Socioeconomic disadvantage and remoteness of residence uniquely predicted poorer outcomes in the colorectal cancer specific HR-QOL sub domain.Conclusion: Although HR-QOL and subjective cognitive QOL share similar antecedents their trajectory patterns suggested they are distinct adjustment outcomes; with life satisfaction emerging as temporally stable phenomenon. Unique patterns of risk support suggest the need to account for heterogeneity in adjustment in longitudinal QOL studies with cancer survivors.


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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: Published version made available under Open Access.
Faculty / Department / School: No Faculty
Date Deposited: 12 Jun 2017 01:03
Last Modified: 12 Jun 2017 01:03
Uncontrolled Keywords: Cancer; Colorectal; Longitudinal; Quality of life; Survivorship; Adaptation, Psychological; Adult; Aged; Aged, 80 and over; Attitude to Health; Cognition; Colorectal Neoplasms; Female; Health Status Indicators; Healthcare Disparities; Humans; Interviews as Topic; Longitudinal Studies; Male; Middle Aged; Personal Satisfaction; Poverty Areas; Psychometrics; Quality of Life; Queensland; Questionnaires; Sickness Impact Profile; Social Support; Socioeconomic Factors; Survivors; Young Adult; Cancer;
Fields of Research : 11 Medical and Health Sciences > 1117 Public Health and Health Services > 111799 Public Health and Health Services not elsewhere classified
Socio-Economic Objective: E Expanding Knowledge > 97 Expanding Knowledge > 970111 Expanding Knowledge in the Medical and Health Sciences
Identification Number or DOI: 10.1186/1477-7525-11-46
URI: http://eprints.usq.edu.au/id/eprint/32042

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