Self-reported versus health administrative data: implications for assessing chronic illness burden in populations. A cross-sectional study

Department of Family Medicine and Emergency Medicine (Fortin, Almirall), Université de Sherbrooke, Sherbrooke, Que.; Faculty of Medicine (Haggerty), McGill University; St. Mary's Research Centre (Sanche), St. Mary's Hospital, Montréal, Que.

Department of Family Medicine and Emergency Medicine (Fortin, Almirall), Université de Sherbrooke, Sherbrooke, Que.; Faculty of Medicine (Haggerty), McGill University; St. Mary's Research Centre (Sanche), St. Mary's Hospital, Montréal, Que.

Department of Family Medicine and Emergency Medicine (Fortin, Almirall), Université de Sherbrooke, Sherbrooke, Que.; Faculty of Medicine (Haggerty), McGill University; St. Mary's Research Centre (Sanche), St. Mary's Hospital, Montréal, Que.

Department of Family Medicine and Emergency Medicine (Fortin, Almirall), Université de Sherbrooke, Sherbrooke, Que.; Faculty of Medicine (Haggerty), McGill University; St. Mary's Research Centre (Sanche), St. Mary's Hospital, Montréal, Que.