Association between Sleep Quality and Psychologic Factors among University Students in Korea

한국인 대학생에서 수면의 질과 정서적 요인에 관한 상관관계

  • Kang, Jin-Kyu (Department of Oral Medicine, College of Dentistry, Wonkwang University) ;
  • Lim, Hyun-Dae (Department of Oral Medicine, College of Dentistry, Wonkwang University) ;
  • Lee, You-Mee (Department of Oral Medicine, College of Dentistry, Wonkwang University)
  • 강진규 (원광대학교 치과대학 구강내과학교실) ;
  • 임현대 (원광대학교 치과대학 구강내과학교실) ;
  • 이유미 (원광대학교 치과대학 구강내과학교실)
  • Published : 2008.09.30

Abstract

The mentophysical disease causes diseases in digestive, respiratory, circulating systems, including chronic pain, through combined reactions from different individual characteristics, mental stress and temperamental factors. The most common symptom related to orofacial area is pain and the contributive factors include biological, behavioral, environmental, social, emotional, recognitive factors. These factors affect the course of the symptom according to individual's character and human nature. In pain, sleep acts as a contributive factor, and pain could bring about sleep disturbance and vice versa. Deterioration of sleep quality would act as a factor that aggravates mental stress. Therefore, relatively accurate and simple mental examinations and sleep quality test should be carried out for the patients with symptoms related to orofacial area. This study evaluated the mental state in relation to the sleep quality which could affect orofacial pain. The number of poor sleeper was 18 in male subjects, and 1 in female subjects and PSQI global index was higher in male($6.11{\pm}2.38$) than female($4.67{\pm}2.18$). SCL-90-R index showed no sex difference. Poor sleeper showed significantly high value in SOM, O-C, I-S, ANX, PHOB, PSY, GSI, PST. When SCL-90-R T scores were compared according to sleep quality, higher the subjective sleep quality score, O-C and I-S showed significant increase. As sleep disturbances score increased, PAR, PSY, PST showed statistically significant increase. In comparison of SCL-90-R T score according to daytime dysfunction, statistically significant increase in DEP, ANX, HOS, PHOB, PAR, GSI was observed. Therefore, the quality of sleep and psychological status have a high correlation. This is likely to influence chronic pain in the orofacial field. As a result, clinicians treating orofacial pain should evaluate the sleep quality and psychological status of the patient. Further studies of larger sample sizes including various age, occupation, and pain groups are necessary in order to apply the results to clinical practice.

Keywords

PSQI;SCL-90-R;Orofacial pain

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