This paper contributes to debates on the broad determinants of health and on the policy shift from curative to preventive and protective interventions. It addresses empirically the relative importance of influences on health with a multiple regression analysis of ecologic data from the 49...

Systematic variations in health and illness among social groups have persisted and, in some cases increased, in many countries in spite of improvements in the availability of, and access to, health care services. Health policy makers have responded by showing increasing interest in non-clinical...

The authors address two research questions: (1) Are populations with lower socioeconomic status, compared with people of higher socioeconomic status, more likely to be exposed to higher levels of particulate air pollution in Hamilton, Ontario, Canada? (2) How sensitive is the association between...