Sleep Med Psychophysiol.
2014 Jun;21(1):21-28.
Personality Characteristics of Patients with Obstructive Sleep Apnea and Simple Snoring : A Preliminary Study
- Affiliations
-
- 1Department of Psychiatry, Gil Medical Center, Gachon University School of Medicine, Incheon, Korea. euphoric1@daum.net
- 2Department of Psychiatry, Seoul National University School of Medicine, Seoul, Korea.
- 3Department of Otolaryngology, Gil Medical Center, Gachon University School of Medicine, Incheon, Korea.
- 4Department of Radiology, Gil Medical Center, Gachon University School of Medicine, Incheon, Korea.
- 5Department of Otorhinolaryngology, School of Medicine, Catholic University of Daegu, Daegu, Korea.
- 6Department of Psychiatry, Korea University School of Medicine, Seoul, Korea.
- 7Department of Otorhinolaryngology, School of Medicine, Catholic University of Daegu, Daegu, Korea.
- 8Department of Neurology, Gil Medical Center, Gachon University School of Medicine, Incheon, Korea.
Abstract
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) > or =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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