Quality of life, functional disability & lifestyle among subgroups of fibromyalgia (FM) patients: the significance of anxiety & depression

This study explored the significance of anxiety and depression in

quality of life, functional disability and lifestyle among

fibromyalgia patients. Functional disability was defined by

subjective work ability and activity-related discomfort.

Lifestyle reflected habits of physical activity, regularity of

meals, smoking and patterns of drinking coffee and alcohol.

Members of two county divisions of fibromyalgia patients (N =

322) were investigated. Owing to colinearity between anxiety

and depression scores, extreme groups were defined according

to high vs. low anxiety and depression scores. Two-thirds of

the initial sample were excluded by this approach which

permitted a 2 x 2 factorial split-plot MANCOVA for the

assessment of main effects and interaction of anxiety and

depression upon quality of life, functional disability and

lifestyle. Main effects of anxiety and depression were

significant for index scores on activity-related discomforts,

subjective work ability and quality of life, whereas

depression was also significantly associated with regularity

of meals. Anxiety and depression interacted to yield

relatively high consumption of coffee and cigarettes among the

anxious and depressed subgroup, and this effect emerged only

after the elimination of confounding effects of age and

duration of the fibromyalgia disease.

Kurtze N, Gundersen KT, Svebak S

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