The effect of psychological factors on sleep disturbances in young adults

다국어 초록 (Multilingual Abstract)

Purpose: The purpose of this study was to assess influences of psychological factors on sleep disturbances in young adults through the revised version of the Minnesota Multiphasic Personality Inventory(MMPI-2).
Methods: Two hundred and ninety nine college students in Gyeonggi-do completed the MMPI-2 and a questionnaire related to sleep disturbances and collected data were analyzed by logistic regression.
Results: The odds of tooth grinding increased significantly with the increase of T-score of Hy scale. The increase of T-score of Ma and Si scale significantly contributed to the risk of insomnia. The occurrence of insomnia increased significantly as T-score of RC1 and PSYC scale increased. The odds of tooth grinding increased significantly as T-score of ANX and FAM scale increased. The occurrence of insomnia decreased significantly with the increase of T-score of TPA scale. The increase of T-score of Do scale significantly contributed to the risk of tooth clenching. The odds of tooth grinding decreased significantly as T-score of MAC-R increased, whereas it increased significantly as T-score of APS scale increased. No scale of MMPI-2 significantly affected the occurrence of snoring.
Conclusions: T-scores of Hy, ANX, FAM, Do, MAC-R, and APS scales on MMPI-2 affected the risk of bruxism. T-scores of Ma, Si, RC1, PSYC, and TPA scales on MMPI-2 influenced the occurrence of insomnia. The psychometric instrument such as MMPI-2 is helpful in understanding and managing bruxism and insomnia.

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