• Sleep medicine · Jun 2006

    Social-cognitive correlates of CPAP adherence in experienced users.

    • Carl J Stepnowsky, Matthew R Marler, Joe Palau, and J Annette Brooks.
    • Health Services Research and Development Unit (111N-1), Veteran Affairs San Diego Healthcare System, 3350 La Jolla Village Drive, San Diego, CA 92161, USA. carl.stepnowsky@med.va.gov
    • Sleep Med. 2006 Jun 1;7(4):350-6.

    Background And PurposesObstructive sleep apnea (OSA) is a condition with serious medical and psychosocial consequences. However, poor adherence with nasal continuous positive airway pressure (CPAP) treatment limits the effectiveness of treatment. Behavior change factors offer one avenue of research to better understand the correlates of CPAP adherence.Patients And MethodsFifty-eight participants who had been diagnosed with OSA and prescribed CPAP treatment agreed to complete questionnaires that assessed sleep apnea symptoms, behavior change factors, and CPAP side effects, and to have their CPAP data downloaded. Behavior change factors from both social cognitive theory (SCT) and the transtheoretical model (TM) were assessed. The primary aim of the study was to examine the relationship between these social-cognitive factors and objectively measured CPAP adherence.ResultsParticipants had been using CPAP for a mean of 2.1 years. SCT variables (adjusted R(2)=0.115, P=.008) and TM variables (adjusted R(2)=0.157, P<.0001) each accounted for a statistically significant amount of variance in CPAP adherence.ConclusionsThe results suggest that social-cognitive factors may be associated with CPAP adherence in experienced CPAP users. The principal advantage to these theory-driven and empirically validated factors is that they are modifiable and can provide the basis for effective interventions to increase CPAP adherence.

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