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      Normierung des SF-12 Version 2.0 zur Messung der gesundheitsbezogenen Lebensqualität in einer deutschen bevölkerungsrepräsentativen Stichprobe

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          Abstract

          Zusammenfassung. Der Short-Form-Health Survey (SF-12) ist ein Screeninginstrument zur Erfassung der gesundheitsbezogenen Lebensqualität. Der Körperliche Skalenwert repräsentiert Allgemeine Gesundheitswahrnehmung, Körperliche Funktionsfähigkeit und Rollenfunktion sowie Schmerzen. Der Psychische Skalenwert bildet Emotionale Rollenfunktion, Psychisches Wohlbefinden, Negativen Affekt und Soziale Funktionsfähigkeit ab. Alternativ kann die Emotionale Rollenfunktion getrennt ermittelt werden. Die Daten entstammen einer schriftlichen Befragung einer für Deutschland repräsentativen Normstichprobe von N = 2 524 Personen. Der Körperliche Skalenwert kann mit R 2 = .305 besser prädiziert werden als die Skalenwerte des psychischen Bereichs ( R 2 = .094 – .110). Das Alter determiniert den höchsten Varianzanteil. Zudem sind Geschlecht, Einkommen, Familienstand und Beruf prädiktiv. Die Normdaten werden für die Gesamtstichprobe sowie getrennt für Geschlechts- und Altersgruppen berichtet. Erwartungsgemäß treten in der nicht-klinischen Stichprobe Deckeneffekte am positiven Pol der Skalen auf. Einschränkungen der gesundheitsbezogenen Lebensqualität werden differenziert abgebildet.

          Standardization of the SF-12 Version 2.0 Assessing Health-Related Quality of Life in a Representative German Sample

          Abstract. The Short-Form Health Survey (SF-12) is a screening instrument assessing health-related quality of life. The SF-12 physical scale score represents general health perception, physical functioning, physical role functioning, and pain. The mental health score reflects emotional role functioning, mental well-being, negative affectivity, and social functioning. Alternatively, emotional role functioning may be regarded as a separate aspect. Data were assessed within a paper-and-pencil interview in a representative sample of the German general population ( N = 2,524). Applying hierarchical regression analysis, sociodemographic characteristics accounted for a higher amount of explained variance in the physical scale score ( R 2 = .305) than in the mental scale scores ( R 2 = .094 – .110). For all scales, age was the most important predictor. Furthermore, gender, income, marital status, and occupation explained significant variance components. Normative data are presented for the whole study sample as well as for gender and age subgroups. Ceiling effects have to be regarded at the positive end of the spectrum of all scales. For physical and mental limitations (negative score spectrum), a good discriminative power was ensured.

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          Correlated physical and mental health summary scores for the SF-36 and SF-12 Health Survey, V.1

          Background The SF-36 and SF-12 summary scores were derived using an uncorrelated (orthogonal) factor solution. We estimate SF-36 and SF-12 summary scores using a correlated (oblique) physical and mental health factor model. Methods We administered the SF-36 to 7,093 patients who received medical care from an independent association of 48 physician groups in the western United States. Correlated physical health (PCSc) and mental health (MCSc) scores were constructed by multiplying each SF-36 scale z-score by its respective scoring coefficient from the obliquely rotated two factor solution. PCSc-12 and MCSc-12 scores were estimated using an approach similar to the one used to derive the original SF-12 summary scores. Results The estimated correlation between SF-36 PCSc and MCSc scores was 0.62. There were far fewer negative factor scoring coefficients for the oblique factor solution compared to the factor scoring coefficients produced by the standard orthogonal factor solution. Similar results were found for PCSc-12, and MCSc-12 summary scores. Conclusion Correlated physical and mental health summary scores for the SF-36 and SF-12 derived from an obliquely rotated factor solution should be used along with the uncorrelated summary scores. The new scoring algorithm can reduce inconsistent results between the SF-36 scale scores and physical and mental health summary scores reported in some prior studies. (Subscripts C = correlated and UC = uncorrelated)
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            Reporting and interpretation of SF-36 outcomes in randomised trials: systematic review

            Objective To determine how often health surveys and quality of life evaluations reach different conclusions from those of primary efficacy outcomes and whether discordant results make a difference in the interpretation of trial findings. Design Systematic review. Data sources PubMed, contact with authors for missing information, and author survey for unpublished SF-36 data. Study selection Randomised trials with SF-36 outcomes (the most extensively validated and used health survey instrument for appraising quality of life) that were published in 2005 in 22 journals with a high impact factor. Data extraction Analyses on the two composite and eight subdomain SF-36 scores that corresponded to the time and mode of analysis of the primary efficacy outcome. Results Of 1057 screened trials, 52 were identified as randomised trials with SF-36 results (66 separate comparisons). Only eight trials reported all 10 SF-36 scores in the published articles. For 21 of the 66 comparisons, SF-36 results were discordant for statistical significance compared with the results for primary efficacy outcomes. Of 17 statistically significant SF-36 scores where primary outcomes were not also statistically significant in the same direction, the magnitude of effect was small in six, moderate in six, large in three, and not reported in two. Authors modified the interpretation of study findings based on SF-36 results in only two of the 21 discordant cases. Among 100 additional randomly selected trials not reporting any SF-36 information, at least five had collected SF-36 data but only one had analysed it. Conclusions SF-36 measurements sometimes produce different results from those of the primary efficacy outcomes but rarely modify the overall interpretation of randomised trials. Quality of life and health related survey information should be utilised more systematically in randomised trials.
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              Computation of Standard Values for Physical and Mental Health Scale Scores Using the SOEP Version of SF-12v2

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                Author and article information

                Contributors
                Journal
                dia
                Diagnostica
                Zeitschrift für Psychologische Diagnostik und Differentielle Psychologie
                Hogrefe Verlag, Göttingen
                0012-1924
                2190-622X
                2018
                : 64
                : 4
                : 215-226
                Affiliations
                [ 1 ]Pädagogische Hochschule Freiburg, Forschungsmethoden
                [ 2 ]Hochschule Magdeburg-Stendal, System der Rehabilitation
                [ 3 ]Universitätsmedizin Leipzig, Abteilung für Medizinische Psychologie und Medizinische Soziologie, Sektion Psychosoziale Onkologie, Department für Psychische Gesundheit
                [ 4 ]Klinik und Poliklinik für Psychosomatische Medizin und Psychotherapie, Universitätsmedizin der Johannes-Gutenberg-Universität Mainz
                Author notes
                Prof. Dr. Markus Antonius Wirtz, Pädagogische Hochschule Freiburg, Forschungsmethoden, 79117 Freiburg, E-Mail markus.wirtz@ 123456ph-freiburg.de
                Prof. Dr. Matthias Morfeld, Hochschule Magdeburg-Stendal, System der Rehabilitation, Osterburger Straße 25, 39576 Stendal
                PD Dr. Heide Glaesmer, Prof. Dr. Elmar Brähler, Universitätsmedizin Leipzig, Abteilung für Medizinische Psychologie, und Medizinische Soziologie, Sektion Psychosoziale Onkologie, Department für Psychische Gesundheit, Philipp-Rosenthal-Straße 55, 04103 Leipzig
                Prof. Dr. Elmar Brähler, Klinik und Poliklinik für Psychosomatische Medizin, und Psychotherapie, Universitätsmedizin der Johannes-Gutenberg-Universität Mainz, Kupferbergterrasse 17 – 19, 55116 Mainz
                Article
                dia_64_4_215
                10.1026/0012-1924/a000205
                c1931dac-cca6-49d6-909c-e4e72e10b337
                Copyright @ 2018
                History
                Categories
                Originalarbeit

                Psychology,Clinical Psychology & Psychiatry
                Short-Form-Health Survey (SF-12),Gesundheitsbezogene Lebensqualität,Standardisierung,Normierung,Short-Form Health Survey (SF-12),health-related quality of life (HRQoL),standardization,normative data

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