Abstracts tagged "Family studies and rheumatoid arthritis"

Abstract Number: 1773 • ACR/ARHP Annual Meeting 2013
The Contribution Of Environmental Factors To Familial Risk Of Rheumatoid Arthritis By Serologic Phenotypes Among Women In a Longitudinal Cohort Study
Jeffrey A. Sparks¹, Chia-Yen Chen², Linda T. Hiraki³, Susan Malspeis⁴, Karen H. Costenbader⁴ and Elizabeth W. Karlson¹, ¹Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, ²Epidemiology, Harvard School of Public Health, Boston, MA, ³Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Harvard School of Public Health, Boston, MA, ⁴Rheumatology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
Background/Purpose: Familial risk of RA is composed of shared genetic and environmental factors. Previous studies exploring familial risk of RA have not incorporated environmental factors…
Abstract Number: 1182 • ACR/ARHP Annual Meeting 2012
Familial Aggregation and Heritability of Rheumatoid Arthritis in Taiwan: A Nationwide Population Study
Chang-Fu Kuo¹, Matthew J. Grainge², Kuang-Hui Yu³, Lai-Chu See⁴, Shue-Fen Luo³, Ana M. Valdes⁵, I-Jun Chou⁶, Hsiao-Chun Chang³, Weiya Zhang¹ and Michael Doherty⁷, ¹Academic Rheumatology, School of Clinical Sciences, University of Nottingham, Nottingham, United Kingdom, ²Division of Epidemiology and Public Health, School of Community Health Sciences,, University of Nottingham, Nottingham, United Kingdom, ³Division of Rheumatology, Immunology and Allergy, Chang Gung Memorial Hospital, Taoyuan, Taiwan, ⁴Department of Public Health, College of Medicine, Chang Gung University, Taoyuan, Taiwan, ⁵Dept of Twin Research and Genetic Epidemiology, St. Thomas' Hospital, King's College London, London, United Kingdom, ⁶Department of Pediatrics, Chang Gung Memorial Hospital, Taoyuan, Taiwan, ⁷Academic Rheumatology, University of Nottingham, Nottingham, United Kingdom
Background/Purpose: The present study was to estimate the familial relative risk (RR) of rheumatoid arthritis (RA) in individuals with affected first-degree relatives compared to individuals with…