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. 2008 Jun;6(2):119-24.
doi: 10.1017/S1478951508000199.

Psychometric evaluation of the German version of the Life Attitude Profile-Revised (LAP-R) in prostate cancer patients

Anja Mehnert  1 , Uwe Koch
Affiliations

Psychometric evaluation of the German version of the Life Attitude Profile-Revised (LAP-R) in prostate cancer patients

Anja Mehnert et al. Palliat Support Care. 2008 Jun.

Abstract

Objective: There has been an increasing interest in the measurement of patients efforts to find meaning during the experience of a life-threatening illness. The aim of this study was to validate the German version of the Life Attitude Profile-Revised (LAP-R), a multidimensional measure of meaning and purpose.

Methods: A total of 511 prostate cancer patients with an average age of 64 years filled in the questionnaire during outpatient follow up care (response rate 70%).

Results: Five of the original six dimensions were replicated by exploratory and confirmatory factor analysis: Coherence, Existential Vacuum, Choice/Responsibleness, Death Acceptance, and Goal Seeking. The Purpose dimension was not replicated. Most LAP-R subscales showed good internal consistencies with Cronbach's alpha between .80 and .82, whereas the reliability for Existential Vacuum (alpha=.69) and Goal Seeking (alpha=.74) was less sufficient, but still acceptable. Results show significant concurrent associations between all LAP-R dimensions and measures of emotional distress, coping, and health-related quality of life; however, moderate correlations were found only for Existential Vacuum and depression, and inversely for depressive coping and the mental health subscale.

Significance of research: The German LAP-R is a reliable and valid instrument that can be recommended for further use in research and clinical cancer care.

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