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A qualitative analysis of psychological processes mediating quality of life impairments in chronic daily headacheTenhunen, K.; Elander, James; University of Derby (2005)Quality of life impairments are greater in chronic daily headache (CDH) than in episodic headache conditions like migraine. This qualitative interview study aimed to identify psychological processes associated with quality of life impairments among individuals meeting diagnostic criteria for CDH. Grounded theory analysis showed that perceived loss of control was the central experience mediating the impact of CDH on quality of life. The results provide explanations for previous quantitative findings about quality of life impairments in CDH, and could inform interventions to reduce the impact of CDH. Further research could also examine the roles played by perceived control in the onset and development of CDH, including possible links with pre-emptive analgesic use.