Halldorsson, M.

service health children country nordic countries 1.00 difference health services group nordic parent income education specialist specialist services health care use sweden mother gp services physician services urbanisation grade family denmark level family income article school model iceland hospital study income groups physician class table norway hospital services health care odds ratios finland people response rate factor 0.91 phone health care utilisation grade urbanisation doctor telephone services model ii health status result 1.04 association model iii response 0.99 category inequality www.jech.com downloaded 0.75 www.jech.com status kunst halldon symptom jech.bmj.com 0.88 non-response e kunst november downloaded education university /college 1.07 1.02 0.52 ratio epidemiol disease