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Conference Paper: Self efficacy predicts adherence to continuous positive airway pressure therapy in obstructive sleep apnea
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TitleSelf efficacy predicts adherence to continuous positive airway pressure therapy in obstructive sleep apnea
 
AuthorsLai, AYK
Lam, JCM
Svikis, DP
Fong, DYT
Ip, MSM
 
KeywordsMedical sciences
Respiratory diseases
 
Issue Date2012
 
PublisherAmerican Thoracic Society. The Journal's web site is located at http://ajrccm.atsjournals.org
 
CitationThe 2012 International Conference of the American Thoracic Society, San Francisco, CA., 18-23 May 2012. In American Journal of Respiratory and Critical Care Medicine, 2012, meeting abstracts, p. A3846 [How to Cite?]
DOI: http://dx.doi.org/10.1164/ajrccm-conference.2012.185.1_MeetingAbstracts.A3846
 
AbstractINTRODUCTION: Continuous positive airway pressure (CPAP) therapy is the standard treatment for obstructive sleep apnea (OSA). However, low CPAP adherence limits its treatment effectiveness, and it has been recognized as a contributing factor to poor physiological and psychosocial health in untreated or under-treated OSA patients. This study investigated the relationships between CPAP adherence, biomedical and cognitive factors in subjects with OSA. METHODS: Subjects who were newly diagnosed of OSA and CPAP therapy naïve were recruited. Their demographic, anthropometric and physiological data were obtained after the in-laboratory sleep studies. They filled in Self Efficacy Measure for Sleep Apnea (SEMSA) questionnaire (measuring cognitive perception of risk, outcome expectancies and self-efficacy) in addition to the Epworth Sleepiness Scale (ESS). Fixed CPAP pressure was prescribed after in-laboratory titration as indicated. CPAP adherence was objectively measured at 1 and 4 weeks after CPAP use. RESULTS: 91 subjects (14 females) were evaluated, with mean ± SD age of 52 ± 9 years, body mass index (BMI) of 29 ± 5.6 kg/m2, ESS score of 9 ± 5, apnea-hypopnea index (AHI) of 28.7 (21, 53) /hr. Mean days of CPAP use (>= 4hrs/day) in 1 and 4 weeks were 3.9 ± 2.7 days and 18.9 ± 9.5 days, respectively. On univariate analysis, there were no significant associations between CPAP adherence and clinical parameters (age, gender, BMI, sleep parameters), prescribed CPAP pressure and sleepiness. Self-efficacy score of cognitive perception measured before the start of CPAP therapy was associated with CPAP use in 1 week (ß=1.272 (0.556, 1.987)) and 4 weeks (ß= 4.163 (1.462, 6.863)), but not risk perception and outcome expectancies. Multiple linear analysis showed self-efficacy score is a significant predictor of CPAP adherence at 1 and 4 weeks after adjusting for age, gender and OSA severity. CONCLUSIONS: Self efficacy score of cognitive perception is a significant predictor of adherence to CPAP therapy in OSA.
 
DescriptionB108 Diagnostic and Therapeutic Approaches in Sleep APNEA - Poster Discussion Session
 
ISSN1073-449X
2012 Impact Factor: 11.041
2012 SCImago Journal Rankings: 4.892
 
DOIhttp://dx.doi.org/10.1164/ajrccm-conference.2012.185.1_MeetingAbstracts.A3846
 
DC FieldValue
dc.contributor.authorLai, AYK
 
dc.contributor.authorLam, JCM
 
dc.contributor.authorSvikis, DP
 
dc.contributor.authorFong, DYT
 
dc.contributor.authorIp, MSM
 
dc.date.accessioned2012-09-20T08:18:11Z
 
dc.date.available2012-09-20T08:18:11Z
 
dc.date.issued2012
 
dc.description.abstractINTRODUCTION: Continuous positive airway pressure (CPAP) therapy is the standard treatment for obstructive sleep apnea (OSA). However, low CPAP adherence limits its treatment effectiveness, and it has been recognized as a contributing factor to poor physiological and psychosocial health in untreated or under-treated OSA patients. This study investigated the relationships between CPAP adherence, biomedical and cognitive factors in subjects with OSA. METHODS: Subjects who were newly diagnosed of OSA and CPAP therapy naïve were recruited. Their demographic, anthropometric and physiological data were obtained after the in-laboratory sleep studies. They filled in Self Efficacy Measure for Sleep Apnea (SEMSA) questionnaire (measuring cognitive perception of risk, outcome expectancies and self-efficacy) in addition to the Epworth Sleepiness Scale (ESS). Fixed CPAP pressure was prescribed after in-laboratory titration as indicated. CPAP adherence was objectively measured at 1 and 4 weeks after CPAP use. RESULTS: 91 subjects (14 females) were evaluated, with mean ± SD age of 52 ± 9 years, body mass index (BMI) of 29 ± 5.6 kg/m2, ESS score of 9 ± 5, apnea-hypopnea index (AHI) of 28.7 (21, 53) /hr. Mean days of CPAP use (>= 4hrs/day) in 1 and 4 weeks were 3.9 ± 2.7 days and 18.9 ± 9.5 days, respectively. On univariate analysis, there were no significant associations between CPAP adherence and clinical parameters (age, gender, BMI, sleep parameters), prescribed CPAP pressure and sleepiness. Self-efficacy score of cognitive perception measured before the start of CPAP therapy was associated with CPAP use in 1 week (ß=1.272 (0.556, 1.987)) and 4 weeks (ß= 4.163 (1.462, 6.863)), but not risk perception and outcome expectancies. Multiple linear analysis showed self-efficacy score is a significant predictor of CPAP adherence at 1 and 4 weeks after adjusting for age, gender and OSA severity. CONCLUSIONS: Self efficacy score of cognitive perception is a significant predictor of adherence to CPAP therapy in OSA.
 
dc.description.naturelink_to_OA_fulltext
 
dc.descriptionB108 Diagnostic and Therapeutic Approaches in Sleep APNEA - Poster Discussion Session
 
dc.identifier.citationThe 2012 International Conference of the American Thoracic Society, San Francisco, CA., 18-23 May 2012. In American Journal of Respiratory and Critical Care Medicine, 2012, meeting abstracts, p. A3846 [How to Cite?]
DOI: http://dx.doi.org/10.1164/ajrccm-conference.2012.185.1_MeetingAbstracts.A3846
 
dc.identifier.doihttp://dx.doi.org/10.1164/ajrccm-conference.2012.185.1_MeetingAbstracts.A3846
 
dc.identifier.epageA3846
 
dc.identifier.hkuros207019
 
dc.identifier.issn1073-449X
2012 Impact Factor: 11.041
2012 SCImago Journal Rankings: 4.892
 
dc.identifier.spageA3846
 
dc.identifier.urihttp://hdl.handle.net/10722/165425
 
dc.identifier.volumemeeting abstracts
 
dc.languageeng
 
dc.publisherAmerican Thoracic Society. The Journal's web site is located at http://ajrccm.atsjournals.org
 
dc.publisher.placeUnited States
 
dc.relation.ispartofAmerican Journal of Respiratory and Critical Care Medicine
 
dc.subjectMedical sciences
 
dc.subjectRespiratory diseases
 
dc.titleSelf efficacy predicts adherence to continuous positive airway pressure therapy in obstructive sleep apnea
 
dc.typeConference_Paper
 
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<contributor.author>Lam, JCM</contributor.author>
<contributor.author>Svikis, DP</contributor.author>
<contributor.author>Fong, DYT</contributor.author>
<contributor.author>Ip, MSM</contributor.author>
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<description>B108 Diagnostic and Therapeutic Approaches in Sleep APNEA - Poster Discussion Session</description>
<description.abstract>INTRODUCTION: Continuous positive airway pressure (CPAP) therapy is the standard treatment for obstructive sleep apnea (OSA). However, low CPAP adherence limits its treatment effectiveness, and it has been recognized as a contributing factor to poor physiological and psychosocial health in untreated or under-treated OSA patients. This study investigated the relationships between CPAP adherence, biomedical and cognitive factors in subjects with OSA. METHODS: Subjects who were newly diagnosed of OSA and CPAP therapy na&#239;ve were recruited. Their demographic, anthropometric and physiological data were obtained after the in-laboratory sleep studies. They filled in Self Efficacy Measure for Sleep Apnea (SEMSA) questionnaire (measuring cognitive perception of risk, outcome expectancies and self-efficacy) in addition to the Epworth Sleepiness Scale (ESS). Fixed CPAP pressure was prescribed after in-laboratory titration as indicated. CPAP adherence was objectively measured at 1 and 4 weeks after CPAP use. RESULTS: 91 subjects (14 females) were evaluated, with mean &#177; SD age of 52 &#177; 9 years, body mass index (BMI) of 29 &#177; 5.6 kg/m2, ESS score of 9 &#177; 5, apnea-hypopnea index (AHI) of 28.7 (21, 53) /hr. Mean days of CPAP use (&gt;= 4hrs/day) in 1 and 4 weeks were 3.9 &#177; 2.7 days and 18.9 &#177; 9.5 days, respectively. On univariate analysis, there were no significant associations between CPAP adherence and clinical parameters (age, gender, BMI, sleep parameters), prescribed CPAP pressure and sleepiness. Self-efficacy score of cognitive perception measured before the start of CPAP therapy was associated with CPAP use in 1 week (&#223;=1.272 (0.556, 1.987)) and 4 weeks (&#223;= 4.163 (1.462, 6.863)), but not risk perception and outcome expectancies. Multiple linear analysis showed self-efficacy score is a significant predictor of CPAP adherence at 1 and 4 weeks after adjusting for age, gender and OSA severity. CONCLUSIONS: Self efficacy score of cognitive perception is a significant predictor of adherence to CPAP therapy in OSA.</description.abstract>
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