Forest Plot from Scientific Research

Subgroup analyses by the follow-up period on the association between number of chronic pain sites and risk of incident dementia and Alzheimers disease. Hazard ratio (HR) and 95% confidence interval (CI) were derived from Cox regression and refer to HR of risk of incident dementia and Alzheimers disease associated with per one increment of the number of chronic painful sites. Multivariable adjustment was for age, sex, body mass index, ethnicity, highest education level, house income, smoking status, alcohol frequency, physical activity, presence of comorbidity, non-steroidal anti-inflammatory medication use, opioid medication use, psychological problems, and sleep duration

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