Niacin, lutein and zeaxanthin and physical activity have an impact on Charlson comorbidity index using zero-inflated negative binomial regression model: National Health and Nutrition Examination Survey 2013-2014

• Main Authors: Hantong Zhao (Author), Changcong Wang (Author), Yingan Pan (Author), Yinpei Guo (Author), Nan Yao (Author), Han Wang (Author), Lina Jin (Author), Bo Li (Author)
• Format: Book
• Published: BMC, 2019-11-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Abstract Background Combined with the increasing life expectancy, chronic medical conditions have gradually become the dominant cause of death and disability, and multimorbidity became an increasingly serious public health challenge. However, most existing studies have focused on the coexistence of...