Uric acid, metabolic risk factors, and chronic kidney disease: Clinical investigation in a female elderly fishing and agricultural population in Taipei, Taiwan Running title: chronic kidney disease in the elderly population

1.School of Medicine, Tzu-Chi University, Hualien, Taiwan 2.Department of Family Medicine, Linkou Chang-Gung Memorial Hospital and Chang-Gung University, Taoyuan, Taiwan 3.New Taipei City Hospital, Taipei, Taiwan 4.Taipei Medical University, Taipei, Taiwan 5.Department of Healthcare Management, Yuanpei University, Hsinchu, Taiwan, 6.Oriental Institute of Technology, Taipei, Taiwan 7.NHI Dispute Mediation Committee, Ministry of Health and Welfare, Taipei, Taiwan 8.Institute of Health and Welfare Policy, National Yang-Ming University, Taipei, Taiwan 9. Department of Nursing, Kang-Ning Junior College of Medical Care and Management, Taipei , Taiwan 10. Faculty of Public Health, School of Medicine, Fu-Jen Catholic University, Taipei, Taiwan 11.Department of Medical Research and Education, Cheng-Hsin General Hospital, Taipei, Taiwan Ya-Ting Liang: [email protected] Jau-Yuan Chen: [email protected] Hsi-Che Shen: [email protected] Yi-Chun Hu: [email protected] Yu-Fen Chen: [email protected]