| Summary: | 碩士 === 國立陽明大學 === 公共衛生研究所 === 92 === （1）Objective: To evaluate the prevalence rate , risk factors and quality of life in insomniacs who lived at Tong-Chi village six months and three years after major earthquake on September 21,1999 in central Taiwan .
（2）Methods: The ‘Sleep questionnaire’ and’ SF-36’ were used by well-trained interviewers to screen people with insomnia and assess quality of life. MINI was performed by psychiatrists to diagnose psychiatric disorders. 442 residents aged 16 and over in Tong-Chi village were interviewed during Jan. to Mar. 2000. 404 residents were interviewed again during Jul. to Sep. 2002 .
（3）Result:
1.The prevalence rate of insomnia is 12.9% three months before earthquake,27.8% in half an year after earthquake,and 12.4% in three years after earthquake. The 2.5 year accumulative incident rate is 6.8%.
2.The residents who had insomnia before earthquake are three times more likely to have PTSD than other residents, half an year after the earthquake.
3.In half an year after earthquake,the risk factors of insomnia for residents who had insomnia before earthquake ,only poor physical condition showed significant statistical difference. For those suffered insomnia after the earthquake,the risk factors which show significant statistic difference included:severe injuries or death of relatives,physical injuries, PTSD or major depression.
4.Three years after the earthquake,the risk factors for persisting insomnia are: female,major physical illness,major depression.For residents who suffered from insomnia three years later ,the risk factors are major physical illness,increase of economic burden due to income reduction and minor depression.
5.The predicting factors for chronic insomnia are : female,suffering from PTSD or major depression.
6.In half an year or three years after earthquake,the quality of life in insomniacs are poor than the residents who sleep well.
（4）Conclusion:
Half an year after earthquake,the prevalence rate of insomnia is twice than the pre-earthquake rate(27.8% vs 12.9%).But it returned to similar rate (12.4%)in three years after the earthquake.The result reveals that the major earthquake severely influenced the sleep quality of residents who lived in Tong-Chi village.
This study revealed predicting factors of chronic insomnia are: residents who already had suffered from insomnia before the earthquake,female,people with PTSD or major depression. The medical team should pay attention to high risk group in the early stage to prevent chronic insomnia and other severe psychiatric disorders.
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