Adaptive tasks, coping and quality of life of chronically ill patients: the cases of Parkinson's disease and chronic fatigue syndrome.

This article is a report of a larger study on the relationship between adaptive tasks, coping and quality of life, taking Parkinson's disease and chronic fatigue syndrome (CFS) as examples. The concept of adaptive tasks or disease-related stressors testing the adaptive capacities of chronically ill patients (N=134) was explored by applying the method of concept mapping. Results show that patients both with Parkinson's disease and with CFS generally refer to the same themes when asked for the adaptive tasks their disease brings about. However, the actual contents of these adaptive tasks differ as well as their impact on coping and quality of life. In the case of patients with Parkinson's disease, objective disease characteristics appear to be more important in predicting quality of life than in the case of patients with CFS, whose evaluation of adaptive tasks is predictive of quality of life.