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KMID : 0389520140210010021
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Sleep Medicine.Psychophysiology
2014 Volume.21 No. 1 p.21 ~ p.28
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Personality Characteristics of Patients with Obstructive Sleep Apnea and Simple Snoring : A Preliminary Study
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Kang Jae-Myeong
Kang Seung-Gul
Lee Yu-Jin
Jeong Joo-Hyun
Kang Il-Gyu
Hwang Hee-Young
Kim Ji-Eun
Lee Heon-Jeong
Shin Seung-Heon
Park Kee-Hyung
Kim Seon-Tae
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Abstract
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Objective: Few studies have evaluated the personality characteristics of patients with obstructive sleep apnea (OSA) and simple snoring. We investigated the personality characteristics of OSA and simple snoring patients and compared differences in personality between the two groups using the Eysenck Personality Questionnaire (EPQ).
Materials and Methods: Two hundred and thirty-seven patients who were suspected to have OSA or simple snoring participated in this study. A self-questionnaire which included the EPQ was administered to all participants. All subjects underwent polysomnography in a sleep laboratory and those with an apnea-hypopnea index (AHI) ≥5 were included in the OSA group, while those with an AHI <5 were included in the simple snoring group.
Results: OSA patients had significantly lower scores for Psychoticism (F=4.563, p=0.034) than simple snorers. There were no significant differences in Extraversion (F=3.029, p=0.083), Lie (F=0.398, p=0.529), or Neuroticism (F=3.367, p=0.068) scores between the two groups. In the correlation analysis of the OSA group, AHI was positively correlated with Extraversion score (r= 0.16, p=0.029) and negatively correlated with Lie score (B=-0.31, p<0.001). Using multiple stepwise linear regression analysis with the four EPQ parameter scores as dependent variables, Lie score was associated with older age (B=0.14, p<0.001) and lower AHI (B=-0.05, p<0.001), Psychoticism score was associated with higher Pittsburgh Sleep Quality Index (PSQI ; B=0.14, p<0.001), Neuroticism score was associated with higher PSQI (B=0.34, p=0.001) and female sex (B=3.15, p=0.003), and Extraversion score was associated with younger age (B=-0.08, p=0.020) and higher body mass index (B=0.26, p=0.023).
Conclusion: This study suggests that patients with OSA are significantly less prone to psychotic personality characteristics than those with simple snoring. Among OSA patients, higher AHI was correlated with low falsehood and high extraversion tendencies.
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KEYWORD
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Eysenck personality questionnaire, Obstructive sleep apnea, Simple snoring, Personality characteristics, Pittsburgh sleep quality index
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