This paper presents evidence on income-related inequalities in self-assessed health in nine industrialized countries. Health interview survey data were used to construct concentration curves of self-assessed health, measured as a latent variable. Inequalities in health favoured the higher income groups and were statistically significant in all countries. Inequalities were particularly high in the United States and the United Kingdom. Amongst other European countries, Sweden, Finland and the former East Germany had the lowest inequality. Across countries, a strong association was found between inequalities in health and inequalities in income.

dementia in general to any substantial extent. If anything, persistent smoking may increase rather than decrease the onset rate of dementia, but any net effect on severe dementia cannot be large in either direction.We thank the British doctors some of whom have continued to collaborate in this prospective study of their health for almost half a century, Robert Clarke, Rory Collins, and Christina Davies for their comments, and Cathy Harwood and Gale Mead for preparing the manuscript.Contributors: RD planned the study, IS has for many years conducted it, and RD, RP, and JB planned and conducted the present analyses. RD and RP prepared the report; they will act as guarantors for the paper.Funding: The Medical Research Council has supported the study since 1951 and continues to do so through direct support of the Clinical Trial Service Unit and Epidemiological Studies Unit, helped by the Imperial Cancer Research Fund and British Heart Foundation.Competing interests: None declared. Main outcome measures Relative differences (odds ratios) and absolute differences in the prevalence of ever smoking and current smoking for men and women in each age group by educational level. Results In the 45 to 74 year age group, higher rates of current and ever smoking among lower educated subjects were found in some countries only. Among women this was found in Great Britain, Norway, and Sweden, whereas an opposite pattern, with higher educated women smoking more, was found in southern Europe. Among men a similar north-south pattern was found but it was less noticeable than among women. In the 20 to 44 year age group, educational differences in smoking were generally greater than in the older age group, and smoking rates were higher among lower educated people in most countries. Among younger women, a similar north-south pattern was found as among older women. Among younger men, large educational differences in smoking were found for northern European as well as for southern European countries, except for Portugal. Conclusions These international variations in social gradients in smoking, which are likely to be related to differences between countries in their stage of the smoking epidemic, may have contributed to the socioeconomic differences in mortality from ischaemic heart disease being greater in northern European countries. The observed age patterns suggest that socioeconomic differences in diseases related to smoking will increase in the coming decades in many European countries. IntroductionSocioeconomic inequalities in health have been found in all countries where data are available, and there is an Until now only a few studies have compared the magnitude of socioeconomic differences in smoking between countries. [5][6][7] The most comprehensive comparison described differences in prevalence of smoking by educational level in the United Kingdom, Finland, Sweden, Norway, and France around 1987. 6 In all these countries, lower educated people smoked more than higher educated people. The largest differences were observed in ...

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There are large variations between chronic diseases in the size and pattern of socioeconomic differences in their prevalence. The large inequalities that are found for some specific fatal diseases (e.g. stroke) and non-fatal diseases (e.g. arthritis) require special attention in equity-oriented research and policies.

The results underscore the persistent nature of socioeconomic inequalities in health in modern societies. The relatively favourable trends in the Nordic countries suggest that these countries' welfare states were able to buffer many of the adverse effects of economic crises on the health of disadvantaged groups.