Variability in constraints and functional competence in adults with multiple sclerosis

Area of Science:

• Neurology
• Rehabilitation Science
• Psychology

Background:

• Multiple sclerosis (MS) is a chronic neurological disease characterized by physical and psychological impairments.
• Understanding the variability of these symptoms and their impact on daily functioning is crucial for effective management and intervention.

Purpose of the Study:

• To examine intraindividual changes in physical and psychological impairments in adults with MS.
• To assess the relationship between changes in specific deficits and functional competence in activities of daily living.

Main Methods:

• A multivariate, replicated, single-subject, repeated-measures design was employed.
• Five adults with MS were assessed over 4 months on leg strength, postural control, mood, fatigue, stress, self-efficacy, and functional competence.
• P-technique factor analyses were used to identify covarying variables over time.

Main Results:

• Covariation between physical and psychological variables was observed in four out of five participants.
• Stress and fatigue exhibited greater variability (32.3%-53.4% and 23.4%-5.9%, respectively) compared to physical impairments (<20%).
• Functional task performance demonstrated the least variability (0%-12.6%) compared to all impairments.

Conclusions:

• Greater stability in functional performance suggests effective coping mechanisms or symptom management strategies in MS.
• The significant variability in psychological symptoms highlights the challenges in psychological adjustment to MS.
• Findings offer insights for targeted clinical interventions and symptom management in multiple sclerosis.