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- Andreasson, Anna, et al.
(författare)
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A global measure of sickness behaviour : Development of the Sickness Questionnaire
- 2018
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Ingår i: Journal of Health Psychology. - : SAGE Publications. - 1359-1053 .- 1461-7277. ; 23:11, s. 1452-1463
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Tidskriftsartikel (refereegranskat)abstract
- Symptoms after inflammatory activation, so-called sickness behaviour, overlap with trans-diagnostic complaints. As no self-report questionnaire to assess sickness behaviour exists, we aimed to develop such an instrument, the Sickness Questionnaire. Items responsive to experimentally induced inflammatory activation (randomized double-blind study endotoxin (0.6 ng/kg) versus placebo, n = 52) were selected and the statistical properties were examined in 172 primary care patients. A principal component analysis indicated a one-factor solution (Cronbach's alpha = .86). This 10-item scale correlated with depression ( β = .41, p < .001), anxiety ( β = .36, p < .001), self-rated health ( β = .28, p < .001) and a single item of feeling sick ( β = .55, p < .001). The results support the adequacy of Sickness Questionnaire as a brief assessment instrument of perceived sickness behaviour.
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