Marit Rognerud|Per?Henrik Zahl
Social inequalities in mortality: changes in the relative importance of income, education and household size over a 27-year period
Norwegian Institute of Public Health
aim paper measure socioeconomic inequalities mortality 27year period estimate simultaneous effects education income adjusted changing proportions potential confounderscensus data 1970 1980 1990 information income educational level household size linked mortality records individual level analysed absolute mortality rates poisson regression univariate multivariate relative index inequality riimortality differences increased income quartiles educational groups well singles nonsingles rii income quartiles increased 16 36 men 17 27 women rii educational groups increased 16 28 men 15 21 women however rii derived adjusted multivariate regression analysis 18 men 19 women income groups 1990 22 men 17 women educational groups 1990s current income important previous income rate ratios rr increased groups dropping lowest income quartile two censuseslow education single status become relatively important risk factors mortality time confounder effects education household size could partly explain seemingly large increase inequalities income groups results may also indicate stronger reverse causation poor health causing low income time