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Patient Educ Couns. 2011 Oct;85(1):85-91. doi: 10.1016/j.pec.2010.10.014. Epub 2010 Nov 10.

Do cognitive perceptions influence CPAP use?

Author information

  • 1University of Pennsylvania School of Nursing, Biobehavioral Health Sciences Division and Biobehavioral Research Center, Philadelphia 19104, USA. asawyer@nursing.upenn.edu

Abstract

OBJECTIVE:

Nonadherence to CPAP increases health and functional risks of obstructive sleep apnea. The study purpose was to examine if disease and treatment cognitive perceptions influence short-term CPAP use.

METHODS:

A prospective longitudinal study included 66, middle-aged (56.7 ± 10.7 yr) subjects (34 [51.5%] Caucasians; 30 [45.4%] African Americans) with severe OSA (AHI 43.5 events/hr ± 24.6). Following full-night diagnostic/CPAP polysomnograms, home CPAP use was objectively measured at 1 week and 1 month. The Self Efficacy Measure for Sleep Apnea (SEMSA) questionnaire, measuring risk perception, outcome expectancies, and self-efficacy, was collected at baseline, post-CPAP education, and after 1 week CPAP treatment. Regression models were used.

RESULTS:

CPAP use at one week was 3.99 ± 2.48 h/night and 3.06 ± 2.43 h/night at one month. No baseline SEMSA domains influenced CPAP use. Post-education self-efficacy influenced one week CPAP use (1.52 ± 0.53, p=0.007). Self-efficacy measured post-education and after one week CPAP use also influenced one month CPAP (1.40 ± 0.52, p=0.009; 1.20 ± 0.50, p=0.02, respectively).

CONCLUSION:

Cognitive perceptions influence CPAP use, but only within the context of knowledge of CPAP treatment and treatment use.

PRACTICE IMPLICATIONS:

Patient education is important to OSA patients' formulation of accurate and realistic disease and treatment perceptions which influence CPAP adherence.

Published by Elsevier Ireland Ltd.

PMID:
21071166
[PubMed - indexed for MEDLINE]
PMCID:
PMC3058118
Free PMC Article

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