puits (1) recherche (1) association (1) cycle de la vie (1) couverture d'assurance (1) soins de santé (1) santé (1) adulte (1) taux (1) Mexique (1) Aging (1) Longitudinal studies (1) Methods (1) Longitudinal studies (1) Will (1) Weights and measures (1) Waves (1) Social groups (1) Satisfaction (1) Research (1) Old age (1) Metropolitan areas (1) Medical care (1) Materials (1) Longitudinal method (1) Life (1) Insurance (1) Health (1) Cities and towns (1) Change (1)