Home > Publications Database > Measuring the quality of life in mild to very severe dementia: testing the inter-rater and intra-rater reliability of the German version of the QUALIDEM. > print

001     137330
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024 7 _ |a 10.1017/S1041610214000052
|2 doi
024 7 _ |a pmid:24507554
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024 7 _ |a 1041-6102
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024 7 _ |a 1741-203X
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037 _ _ |a DZNE-2020-03652
041 _ _ |a English
082 _ _ |a 610
100 1 _ |a Dichter, Martin
|0 P:(DE-2719)2451281
|b 0
|e First author
245 _ _ |a Measuring the quality of life in mild to very severe dementia: testing the inter-rater and intra-rater reliability of the German version of the QUALIDEM.
260 _ _ |a Cambridge
|c 2014
|b Cambridge Univ. Press
264 _ 1 |3 online
|2 Crossref
|b Cambridge University Press (CUP)
|c 2014-02-10
264 _ 1 |3 print
|2 Crossref
|b Cambridge University Press (CUP)
|c 2014-05-01
336 7 _ |a article
|2 DRIVER
336 7 _ |a Output Types/Journal article
|2 DataCite
336 7 _ |a Journal Article
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|m journal
|0 PUB:(DE-HGF)16
|s 1586860769_30144
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336 7 _ |a ARTICLE
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336 7 _ |a JOURNAL_ARTICLE
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336 7 _ |a Journal Article
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520 _ _ |a Quality of life (Qol) is an increasingly used outcome measure in dementia research. The QUALIDEM is a dementia-specific and proxy-rated Qol instrument. We aimed to determine the inter-rater and intra-rater reliability in residents with dementia in German nursing homes.The QUALIDEM consists of nine subscales that were applied to a sample of 108 people with mild to severe dementia and six consecutive subscales that were applied to a sample of 53 people with very severe dementia. The proxy raters were 49 registered nurses and nursing assistants. Inter-rater and intra-rater reliability scores were calculated on the subscale and item level.None of the QUALIDEM subscales showed strong inter-rater reliability based on the single-measure Intra-Class Correlation Coefficient (ICC) for absolute agreement ≥ 0.70. Based on the average-measure ICC for four raters, eight subscales for people with mild to severe dementia (care relationship, positive affect, negative affect, restless tense behavior, social relations, social isolation, feeling at home and having something to do) and five subscales for very severe dementia (care relationship, negative affect, restless tense behavior, social relations and social isolation) yielded a strong inter-rater agreement (ICC: 0.72-0.86). All of the QUALIDEM subscales, regardless of dementia severity, showed strong intra-rater agreement. The ICC values ranged between 0.70 and 0.79 for people with mild to severe dementia and between 0.75 and 0.87 for people with very severe dementia.This study demonstrated insufficient inter-rater reliability and sufficient intra-rater reliability for all subscales of both versions of the German QUALIDEM. The degree of inter-rater reliability can be improved by collaborative Qol rating by more than one nurse. The development of a measurement manual with accurate item definitions and a standardized education program for proxy raters is recommended.
536 _ _ |a 344 - Clinical and Health Care Research (POF3-344)
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542 _ _ |i 2014-02-10
|2 Crossref
|u https://www.cambridge.org/core/terms
588 _ _ |a Dataset connected to CrossRef, PubMed,
650 _ 2 |a Aged
|2 MeSH
650 _ 2 |a Consumer Behavior: statistics & numerical data
|2 MeSH
650 _ 2 |a Dementia: diagnosis
|2 MeSH
650 _ 2 |a Dementia: epidemiology
|2 MeSH
650 _ 2 |a Dementia: psychology
|2 MeSH
650 _ 2 |a Dementia: therapy
|2 MeSH
650 _ 2 |a Female
|2 MeSH
650 _ 2 |a Geriatric Assessment: methods
|2 MeSH
650 _ 2 |a Germany: epidemiology
|2 MeSH
650 _ 2 |a Homes for the Aged: standards
|2 MeSH
650 _ 2 |a Humans
|2 MeSH
650 _ 2 |a Long-Term Care: methods
|2 MeSH
650 _ 2 |a Long-Term Care: psychology
|2 MeSH
650 _ 2 |a Long-Term Care: standards
|2 MeSH
650 _ 2 |a Male
|2 MeSH
650 _ 2 |a Nursing Homes: standards
|2 MeSH
650 _ 2 |a Outcome Assessment, Health Care
|2 MeSH
650 _ 2 |a Proxy: psychology
|2 MeSH
650 _ 2 |a Proxy: statistics & numerical data
|2 MeSH
650 _ 2 |a Psychometrics: methods
|2 MeSH
650 _ 2 |a Quality of Life
|2 MeSH
650 _ 2 |a Reproducibility of Results
|2 MeSH
650 _ 2 |a Severity of Illness Index
|2 MeSH
650 _ 2 |a Surveys and Questionnaires
|2 MeSH
700 1 _ |a Schwab, Christian G G
|0 P:(DE-2719)2451348
|b 1
700 1 _ |a Meyer, Gabriele
|0 P:(DE-HGF)0
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700 1 _ |a Bartholomeyczik, Sabine
|0 P:(DE-HGF)0
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700 1 _ |a Dortmann, Olga
|0 P:(DE-2719)2700736
|b 4
700 1 _ |a Halek, Margareta
|0 P:(DE-2719)2191593
|b 5
|e Last author
773 1 8 |a 10.1017/s1041610214000052
|b : Cambridge University Press (CUP), 2014-02-10
|n 5
|p 825-836
|3 journal-article
|2 Crossref
|t International Psychogeriatrics
|v 26
|y 2014
|x 1041-6102
773 _ _ |a 10.1017/S1041610214000052
|g Vol. 26, no. 5, p. 825 - 836
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