Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/87268
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Type: Journal article
Title: The relationship between functional health literacy and obstructive sleep apnea and its related risk factors and comorbidities in a population cohort of men
Author: Li, J.
Appleton, S.
Wittert, G.
Vakulin, A.
McEvoy, R.
Antic, N.
Adams, R.
Citation: Sleep, 2014; 37(3):570-578B
Publisher: Associated Professional Sleep Societies
Issue Date: 2014
ISSN: 0161-8105
1550-9109
Statement of
Responsibility: 
Joule J. Li, Sarah L. Appleton, Gary A. Wittert, Andrew Vakulin, R. Douglas McEvoy, Nick A. Antic, Robert J. Adams
Abstract: STUDY OBJECTIVES: To examine the relationship between functional health literacy (FHL) and obstructive sleep apnea (OSA), its diagnosis, related risk factors, and comorbidities. DESIGN: Population cohort study. SETTING: Adelaide, South Australia, 2011-12. PARTICIPANTS: 1,021 Men Androgen Inflammation Lifestyle Environment and Stress Study participants aged ≥ 40 years, of whom 627 were identified with OSA by self-report (n = 184 previously diagnosed) or with in-home polysomnography in 837 randomly selected participants without self-reported OSA (n = 443 previously undiagnosed). INTERVENTIONS: The Newest Vital Sign assessed FHL in 88% of participants. Full in-home unattended polysomnography (Embletta X100) was scored by 2007 AASM (alternative) criteria. MEASUREMENTS AND RESULTS: FHL was adequate in 75.3% (n = 122) of previously diagnosed and 68.3% (n = 261) of previously undiagnosed OSA. Not having a previous diagnosis was independently associated with inadequate FHL (odds ratio [OR]:2.84, 95% confidence interval [CI]:1.25-6.45) and workforce participation (OR = 2.04, 95% CI = 1.01-4.00), and inversely associated with previous snoring (OR = 0.48, 95% CI = 0.29-0.81), obesity (OR = 0.35, 95% CI = 0.15-0.81), and cardiovascular disease (OR = 0.45, 95% CI = 0.24-0.85). In polysomnography participants, inadequate FHL was independently associated with previously undiagnosed OSA (OR = 2.43, 95% CI = 1.40-4.20). In undiagnosed men, less than adequate FHL was independently associated with sedentary lifestyle (OR = 2.42, 95% CI = 1.36-4.29), and depression (OR = 2.50, 95% CI = 1.23-5.09) and inadequate FHL was associated with current smoking (OR = 2.87, 95% CI = 1.21-6.84). The depression association was attenuated after additional adjustment for comorbidities and general health (OR = 2.04, 95% CI = 0.93-4.49, P = 0.076). In previously diagnosed OSA, less than adequate FHL was independently associated with cardiovascular disease (OR = 2.76, 95% CI = 1.09-7.01). CONCLUSIONS: Limited functional health literacy was independently associated with obstructive sleep apnea (OSA), OSA diagnosis, lifestyle factors and comorbidities, highlighting the importance of developing and promoting national disease-specific health literacy policies.
Keywords: Humans; Sleep Apnea, Obstructive; Cardiovascular Diseases; Obesity; Snoring; Polysomnography; Odds Ratio; Risk Factors; Cohort Studies; Smoking; Life Style; Comorbidity; Aged; Middle Aged; South Australia; Male; Health Literacy; Self Report
Rights: Copyright status unknown
RMID: 0030010879
DOI: 10.5665/sleep.3500
Grant ID: http://purl.org/au-research/grants/nhmrc/627227
Appears in Collections:Medicine publications

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