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Health Qual Life Outcomes. 2014 Nov 30;12:146. doi: 10.1186/s12955-014-0146-8.

Osteoarthritis medical labelling and health-related quality of life in the general population.

Author information

1
Institute of Public Health of the University of Porto, Rua das Taipas, 135-139, 4050-600, Porto, Portugal. slourenco@med.up.pt.
2
Institute of Public Health of the University of Porto, Rua das Taipas, 135-139, 4050-600, Porto, Portugal. rlucas@med.up.pt.
3
Department of Clinical Epidemiology, Predictive Medicine and Public Health of the University of Porto Medical School, Alameda Prof. Hernâni Monteiro, 4200-319, Porto, Portugal. rlucas@med.up.pt.
4
Institute of Public Health of the University of Porto, Rua das Taipas, 135-139, 4050-600, Porto, Portugal. fabio.araujo@ispup.up.pt.
5
Ponte de Lima Hospital, Largo Conde de Bertiandos, 4990-041, Ponte de Lima, Portugal. bogas.monica@gmail.com.
6
Beatriz Ângelo Hospital, Avenida Carlos Teixeira, 3, 2674-514, Loures, Portugal. rui.santos@hbeatrizangelo.pt.
7
Institute of Public Health of the University of Porto, Rua das Taipas, 135-139, 4050-600, Porto, Portugal. hbarros@med.up.pt.
8
Department of Clinical Epidemiology, Predictive Medicine and Public Health of the University of Porto Medical School, Alameda Prof. Hernâni Monteiro, 4200-319, Porto, Portugal. hbarros@med.up.pt.

Abstract

BACKGROUND:

Osteoarthritis is the most common chronic joint disease. In the absence of an effective medical treatment and due to the chronic nature of this condition, an osteoarthritis medical diagnosis may finally result in decreased health-related quality of life. Therefore, the aim of this study was to measure the impact of the osteoarthritis medical labelling on physical and mental health-related quality of life.

METHODS:

Subjects (n = 1132, 58.7% women) were approached as participants of an urban population-based cohort (EPIPorto). Self-reported information on previous diagnosis of knee, hip or hand osteoarthritis was obtained and rheumatologists established knee, hip or hand osteoarthritis clinical diagnosis in symptomatic individuals. Physical and mental dimensions of health-related quality of life were evaluated using the self-administered Medical Outcomes Study: 36-Item Short Form Survey. Crude and adjusted linear regression coefficients (beta) and the corresponding 95% confidence intervals (95% CI) were computed to estimate the associations between being labelled as an osteoarthritis case and health-related quality of life.

RESULTS:

Regardless of disease medical labelling, individuals with osteoarthritis scored significantly lower physical health-related quality of life when compared to those without joint disease (kneeunexposed: beta = -5.3, 95% CI: -7.6, -3.1; kneeexposed: beta = -6.0, 95% CI: -8.4, -3.7; hipunexposed: beta = -6.0, 95% CI: -9.8, -2.3; hipexposed: beta = -11.0, 95% CI: -15.6, -6.4; handunexposed: beta = -4.3, 95% CI: -6.5, -2.0; handexposed: beta = -4.3, 95% CI: -6.6, -2.1). The same was not observed regarding mental health-related quality of life. Among subjects with clinically confirmed osteoarthritis, the medical labelling of this joint disease was not significantly associated to health-related quality of life.

CONCLUSIONS:

The labelling of knee, hip and hand osteoarthritis diagnosis may not add specific benefit to osteoarthritis patients in terms of its capability to improve health-related quality of life.

PMID:
25433808
PMCID:
PMC4260189
DOI:
10.1186/s12955-014-0146-8
[Indexed for MEDLINE]
Free PMC Article

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