enquête (18) acte législatif (18) surveillance (18) information (18) revenu (18) logement (18) soins de santé (18) santé (18) gouvernement fédéral (18) emploi (18) éducation (18) âge (18) situation de famille (18) Education (18) Housing (18) Monitoring (18) Employment (18) Care (18) Methods (18) Surveys (18) Health care reform (18) Sexual orientation (18) States (18) Value (18) Surveys (18) Race (18) Population (18) Medical care, Cost of (18) Medical care (18) Marital status (18)