Objectives: We aimed to co-produce and validate an accessible, evidence-based questionnaire measuring ‘living well’ with dementia that reflects the experience of people with mild-to-moderate dementia. Methods: Nine people with dementia formed a co-production group. An initial series of workshops generated the format of the questionnaire and a longlist of items. Preliminary testing with 53 IDEAL cohort participants yielded a shortlist of items. These were tested with 136 IDEAL cohort participants during a further round of data collection and assessed for reliability and validity. The co-production group contributed to decisions throughout and agreed the final version. Results: An initial list of 230 items was reduced to 41 for initial testing, 12 for full testing, and 10 for the final version. The 10-item version had good internal consistency and test-retest reliability, and a single factor structure. Analyses showed significant large positive correlations with scores on measures of quality of life, well-being, and satisfaction with life, and expected patterns of association including a significant large negative association with depression scores and no association with cognitive test scores. Conclusions: The co-produced My Life Questionnaire is an accessible and valid measure of ‘living well’ with dementia suitable for use in a range of contexts.
CITATION STYLE
Clare, L., Pentecost, C., Collins, R., Martyr, A., Litherland, R., Morris, R. G., … Victor, C. (2023). Evaluating ‘living well’ with mild-to-moderate dementia: Co-production and validation of the IDEAL My Life Questionnaire. Dementia, 22(7), 1548–1566. https://doi.org/10.1177/14713012231188502
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