Sex and SES paradox in health status and mortality among elderly populations

Acknowledgments The CRELES project (Costa Rica study on longevity and healthy aging) is a longitudinal study carried out by the Centro Centroamericano de Población at Universidad de Costa Rica, in collaboration with the Instituto de Investigaciones en Salud and San Juan de Dios Hospital’s laboratories, with the support of the Wellcome Trust Foundation (Grant N. 072406/Z/03/Z). Luis Rosero-Bixby is the Principal Investigator; Xinia Fernández and William H. Dow are Co-principal Investigators. Collaborating investigators: Ericka Méndez, Guido Pinto Aguirre, Hannia Campos, Kenia Barrantes, Alberto Cubero, Gilbert Brenes, Fernando Morales, María de los Angeles San Román, and Grettel Valverde. Computing and support staff: Daniel Antich, Aaron Ramírez, Jeisson Hidalgo, Juanita