Objectives: To examine the impact of the interaction between cognitive function and patient activation on self-management behaviors among COPD patients.
Methods: We conducted a study of 331 COPD patients. Cognitive function and patient activation were evaluated at baseline, relevant information on social demography and diseases was collected simultaneously. The primary outcome was self-management behaviors. We performed a multiple logistic regression analysis to evaluate the interaction between cognitive function and patient activation.
Results: We found the interaction between mild cognitive impairment (MCI) and low patient activation on poor self-management behaviors was multiplicative. The proportion of participants with high patient activation was lower than those with low patient activation among patients with MCI. The incidence of poor self-management behaviors in patients with normal cognition differed significantly between participants with different activation levels (90.2 % vs.31.3 % vs.9.7 %). However, the difference was small in those with MCI (94 % vs. 73.5 % vs. 84.5). Notably, poor self-management behaviors were high among patients with MCI, regardless of their activation level.
Conclusions: Patients with COPD are more likely to have poor self-management behaviors when MCI and low patient activation coexist, and it was difficult to be activated for patients with MCI.
Practice implications: The assessment of cognitive function is crucial for patients with COPD, especially those with low activation.
Keywords: Mild cognitive impairment; Patient activation; Pulmonary disease, chronic obstructive; Self - management.
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