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The role of psychological mechanisms to insomnia in its early phase: A focus on arousal, distress, and sleep-related beliefs

机译：心理机制在早期失眠中的作用：关注唤醒，困扰和与睡眠有关的信念

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The aim of this study was to investigate whether arousal, distress, and sleep-related beliefs are related to the development of insomnia. From a randomly selected sample of 3600 individuals from the general population (50-60 years), 2239 participants filled out a baseline and 1-year follow-up questionnaire. Logistic regression and cluster analysis were used to investigate whether the psychological mechanisms were related to the development of new cases of insomnia over 1 year and whether it was possible to classify the participants based on their profiles of psychological mechanisms. The results showed that arousal, sleep-related beliefs, and depression were significantly related to the development of new cases of insomnia (13% of the variance). High scores on all three mechanisms were characteristic of one cluster (18% new cases of insomnia) and low scores on the mechanisms of another cluster (5% new cases of insomnia). This study shows that arousal, sleep-related beliefs, and depression are associated with the development of insomnia, and that psychological mechanisms often co-occur in individuals who develop insomnia.
机译：这项研究的目的是调查唤醒，困扰和与睡眠有关的信念是否与失眠的发展有关。从2 239名参与者中随机抽取了3600名总人口（50-60岁）的样本，他们填写了基线调查表和1年随访表。使用逻辑回归和聚类分析来调查心理机制是否与1年以上失眠新病例的发展有关，以及是否有可能根据参与者的心理机制概况对其进行分类。结果表明，唤醒，与睡眠有关的信念和抑郁与失眠新病例的发生显着相关（差异的13％）。在这三种机制中，高分是一个集群的特征（18％的失眠新病例），而在另一个集群中的低得分（5％的失眠新例）。这项研究表明，唤醒，与睡眠有关的信念和沮丧与失眠的发展有关，并且心理机制通常在失眠的个体中同时发生。

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