Measuring quality of life in women with vertebral fractures due to osteoporosis: a comparison of the OQLQ and QUALEFFO. 2001

X Badia, and A Díez-Pérez, and C Alvarez-Sanz, and B Díaz-López, and M Diaz-Curiel, and F Guillén, and J González-Macias, and
Institut de Salut Pública de Catalunya, Universitat de Barcelona, Barcelona , Spain. xbadia@bell.ub.es

BACKGROUND Studies comparing the performance of health-related quality of life instruments in osteoporosis are lacking. We compared the feasibility, validity and reliability of the osteoporosis quality of life questionnaire (OQLQ) and the QUALEFFO (test version) in women with vertebral deformities due to osteoporosis. METHODS Three hundred and thirty-eight patients diagnosed with primary osteoporosis and vertebral deformity and a random sample of 304 women from the general population (control group) were recruited. Patients and controls were randomly assigned to receive either the OQLQ or the QUALEFFO, and the SF-36 and EQ-5D. Test-retest reliability was assessed in the patient group. RESULTS The QUALEFFO had more items with missing data and took slightly longer to administer (20.7 vs. 18.7 min). Cronbach's alpha and intraclass correlation coefficient (ICC) values for OQLQ domains (alpha: 0.75-0.91; ICC: 0.85-0.93) were slightly higher than for the QUALEFFO (alpha: 0.63-0.90; and ICC: 0.80-0.93). OQLQ and QUALEFFO domain scores correlated as expected with SF-36 and EQ-5D domains. Both questionnaires discriminated between patients and controls though the OQLQ showed slightly better discriminant power. CONCLUSIONS The superior performance of the OQLQ in terms of administration time, missing responses, and discriminatory capacity needs to be weighed against the advantages of using a self-administered instrument such as the QUALEFFO. A full comparison also requires data on sensitivity to change.

UI MeSH Term Description Entries
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011788 Quality of Life A generic concept reflecting concern with the modification and enhancement of life attributes, e.g., physical, political, moral, social environment as well as health and disease. HRQOL,Health-Related Quality Of Life,Life Quality,Health Related Quality Of Life
D011795 Surveys and Questionnaires Collections of data obtained from voluntary subjects. The information usually takes the form of answers to questions, or suggestions. Community Survey,Nonrespondent,Questionnaire,Questionnaires,Respondent,Survey,Survey Method,Survey Methods,Surveys,Baseline Survey,Community Surveys,Methodology, Survey,Nonrespondents,Questionnaire Design,Randomized Response Technique,Repeated Rounds of Survey,Respondents,Survey Methodology,Baseline Surveys,Design, Questionnaire,Designs, Questionnaire,Methods, Survey,Questionnaire Designs,Questionnaires and Surveys,Randomized Response Techniques,Response Technique, Randomized,Response Techniques, Randomized,Survey, Baseline,Survey, Community,Surveys, Baseline,Surveys, Community,Techniques, Randomized Response
D005260 Female Females
D006304 Health Status The level of health of the individual, group, or population as subjectively assessed by the individual or by more objective measures. General Health,General Health Level,General Health Status,Level of Health,Overall Health,Overall Health Status,General Health Levels,Health Level,Health Level, General,Health Levels,Health Status, General,Health Status, Overall,Health, General,Health, Overall,Level, General Health,Levels, General Health,Status, General Health,Status, Health,Status, Overall Health
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D013030 Spain Country located between France on the northeast and Portugal on the west and bordered by the Atlantic Ocean and the Mediterranean Sea. The capital is Madrid. Balearic Islands,Canary Islands
D015203 Reproducibility of Results The statistical reproducibility of measurements (often in a clinical context), including the testing of instrumentation or techniques to obtain reproducible results. The concept includes reproducibility of physiological measurements, which may be used to develop rules to assess probability or prognosis, or response to a stimulus; reproducibility of occurrence of a condition; and reproducibility of experimental results. Reliability and Validity,Reliability of Result,Reproducibility Of Result,Reproducibility of Finding,Validity of Result,Validity of Results,Face Validity,Reliability (Epidemiology),Reliability of Results,Reproducibility of Findings,Test-Retest Reliability,Validity (Epidemiology),Finding Reproducibilities,Finding Reproducibility,Of Result, Reproducibility,Of Results, Reproducibility,Reliabilities, Test-Retest,Reliability, Test-Retest,Result Reliabilities,Result Reliability,Result Validities,Result Validity,Result, Reproducibility Of,Results, Reproducibility Of,Test Retest Reliability,Validity and Reliability,Validity, Face
D015663 Osteoporosis, Postmenopausal Metabolic disorder associated with fractures of the femoral neck, vertebrae, and distal forearm. It occurs commonly in women within 15-20 years after menopause, and is caused by factors associated with menopause including estrogen deficiency. Bone Loss, Perimenopausal,Bone Loss, Postmenopausal,Perimenopausal Bone Loss,Postmenopausal Bone Loss,Postmenopausal Osteoporosis,Osteoporosis, Post-Menopausal,Bone Losses, Perimenopausal,Bone Losses, Postmenopausal,Osteoporoses, Post-Menopausal,Osteoporoses, Postmenopausal,Osteoporosis, Post Menopausal,Perimenopausal Bone Losses,Post-Menopausal Osteoporoses,Post-Menopausal Osteoporosis,Postmenopausal Bone Losses,Postmenopausal Osteoporoses

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