Coping style, perceived uncertainty in illness, and distress in individuals with Parkinson's disease and their caregivers

Objective: To examine the relationship of coping style and illness uncertainty to psychological distress in individuals with Parkinson's disease (PD) and their primary caregivers. Design: Correlational methods, within-group theory-driven hierarchical regression analyses, and transactional analyses. Participants: Forty-four dyads composed of individuals with PD and their caregivers. Main Outcome Measures: Hoehn and Yahr Clinical Disability Rating Scale, Instrumental Activities of Daily Living Scale, Symptom Distress Checklist-90-Revised, Mischel Uncertainty in Illness Scale-Community Form, and Revised Ways of Coping Checklist. Results: Emotion-focused coping was associated with higher levels of distress for persons with PD, whereas both emotion-focused coping and perceived uncertainty were associated with distress for the caregivers. Transactional analyses between patients and caregivers indicated that higher levels of patient problem-focused coping and perceived uncertainty in illness were associated with increased problems in caregiver distress. Conclusions: Adjustment to PD is influenced by several patient and caregiver variables. The results warrant consideration of a variety of clinical interventions involving patient and caregiver education about the disease and methods for managing the associated symptoms.