Psychometric properties of the Perceived Stress Scale in a sample of German dementia patients and their caregivers.

Abstract:

BACKGROUND:The aim of the present study was to investigate the psychometric characteristics of the Perceived Stress Scale (PSS) in a sample of dementia patients and their spousal caregivers. METHODS:We investigated the reliability and validity of the 14-item PSS in a sample of 80 couples, each including one spouse who had been diagnosed with mild to moderate dementia (mean age 75.55, SD = 5.85, 38.7% female) and one spousal caregiver (mean age 73.06, SD = 6.75, 61.3% female). We also examined the factor structure and sensitivity of the scale with regard to gender differences. RESULTS:Exploratory factor analysis of the PSS revealed a two-factor solution for the scale; the first factor reflected general stress while the second factor consisted of items reflecting the perceived ability to cope with stressors. A confirmatory factor analysis verified that the data were a better fit for the two-factor model than a one-factor model. The two factors of the PSS showed good reliability for patients as well as for caregivers ranging between α = 0.73 and α = 0.82. Perceived stress was significantly positively correlated with depressive symptomatology in both caregivers and patients. Mean PSS scores did not significantly differ between male and female patients nor did they differ between male and female caregivers. CONCLUSION:The present data indicate that the PSS provides a reliable and valid measure of perceived stress in dementia patients and their caregivers.

journal_name

Int Psychogeriatr

authors

Deeken F,Häusler A,Nordheim J,Rapp M,Knoll N,Rieckmann N

doi

10.1017/S1041610217001387

subject

Has Abstract

pub_date

2018-01-01 00:00:00

pages

39-47

issue

1

eissn

1041-6102

issn

1741-203X

pii

S1041610217001387

journal_volume

30

pub_type

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