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PLoS One. 2018 Sep 11;13(9):e0203773. doi: 10.1371/journal.pone.0203773. eCollection 2018.

Trajectories of quality of life and their association with anxiety in people with dementia in nursing homes: A 12-month follow-up study.

Author information

1
The Research Centre for Age Related Functional Decline and Diseases, Innlandet Hospital Trust, Ottestad, Norway.
2
Norwegian National Advisory Unit on Aging and Health, Vestfold Hospital Trust, Tønsberg, Norway.
3
Department of Nursing Science, Institute of Health and Society, University of Oslo, Oslo, Norway.
4
Norwegian University of Science and Technology (NTNU) in Gjøvik, Faculty of Health, Care and Nursing, Gjøvik, Norway.

Abstract

OBJECTIVES:

This study aimed to identify possible groups of people with dementia (PWD) in nursing homes with different trajectories of proxy-rated quality of life (QoL), and to explore how anxiety (along with other characteristics) was associated with these trajectories of QoL of PWD in nursing homes at a 12-month follow-up.

METHODS:

We included 298 PWD aged 65 years and older from 17 Norwegian nursing homes. The Norwegian version of the Rating Anxiety in Dementia scale (RAID-N) was used to assess anxiety, defined as RAID-N score ≥12; proxy-rated QoL was assessed by Quality of Life in Late-Stage Dementia (QUALID). The assessments were made at baseline and after a mean follow-up period of 350 days (SD 12.3). A growth mixture model identified two distinct trajectories of QUALID scores. Association between the QUALID score trajectories and demographic and clinical characteristics were analyzed with logistic regression models.

RESULTS:

Trajectory group 1 (206 participants) had a lower proportion of participants with anxiety, and a more stable and better QoL, compared to trajectory group 2 (92 participants) at a 12-month follow-up. In a multivariate logistic regression analysis, more severe impairment in activities of daily living, along with presence of anxiety, depression, agitation, and use of antipsychotics at baseline, were associated with belonging to the trajectory group with proxy-rated poor QoL.

SIGNIFICANCES:

This study reveals that anxiety is associated with proxy-rated poor QoL of PWD at a 12-month follow-up. Efforts should be made to identify anxiety among nursing home residents with dementia to initiate treatment.

PMID:
30204812
PMCID:
PMC6133386
DOI:
10.1371/journal.pone.0203773
[Indexed for MEDLINE]
Free PMC Article

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