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Cross-Lagged Analyses of Prolonged Grief and Depression Symptoms With Insomnia Symptoms

Behavior Therapy(2023)

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摘要
Prolonged grief disorder, characterized by severe, persistent and disabling grief, has recently been added to the DSM-5-TR and ICD-11. Treatment for prolonged grief symptoms shows limited effectiveness. It has been suggested that pro-longed grief symptoms exacerbate insomnia symptoms, whereas insomnia symptoms, in turn, may fuel prolonged grief symptoms. To help clarify if treating sleep distur-bances may be a viable treatment option for prolonged grief disorder, we examined the proposed reciprocal rela-tionship between symptoms of prolonged grief and insom-nia. On three time points across 6-month intervals, 343 bereaved adults (88% female) completed questionnaires to assess prolonged grief, depression, and insomnia symp-toms. We applied random intercept cross-lagged panel models (RICLPMs) to assess reciprocal within-person effects between prolonged grief and insomnia symptoms and, as a secondary aim, between depression and insomnia symptoms. Changes in insomnia symptoms predicted changes in prolonged grief symptoms but not vice versa. Additionally, changes in depression and insomnia symp-toms showed a reciprocal relationship. Our results suggest that targeting insomnia symptoms after bereavement is a viable option for improving current treatments for pro-longed grief disorder.
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关键词
prolonged grief disorder,complicated grief,depres-sion,insomnia,random intercept cross-lagged panel model
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