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Table 3 Premature mortality rate ratio according to per capita income of province of residence adjusted for different variables

From: The role of population change in the increased economic differences in mortality: a study of premature death from all causes and major groups of causes of death in Spain, 1980–2010

Tertiles of per capita income 1980 1990 2000 2010
MRR 95% CI MRR 95% CI MRR 95% CI MRR 95% CI
Model 1 (adjusting for population density)
 1st tertile (highest) 1.00   1.00   1.00   1.00  
 2nd tertile 1.03 0.95-1.12 1.04 0.96-1.12 1.10 1.03-1.18 1.07 1.00-1.14
 3rd tertile (lowest) 1.01 0.92-1.10 1.10 1.02-1.20 1.09 1.02-1.17 1.12 1.04-1.19
Model 2 (Model 1 plus population change)
 1st tertile (highest) 1.00   1.00   1.00   1.00  
 2nd tertile 1.05 0.97-1.13 1.05 0.98-1.13 1.10 1.03-1.18 1.06 0.98-1.13
 3rd tertile (lowest) 1.07 0.98-1.17 1.10 1.02-1.18 1.09 1.02-1.16 1.12 1.05-1.20
Model 3 (Model 1 plus education 1 )
 1st tertile (highest) 1.00   1.00   1.00   1.00  
 2nd tertile 1.03 0.95-1.12 1.04 0.95-1.13 1.07 1.00-1.15 1.07 1.00-1.14
 3rd tertile (lowest) 1.00 0.91-1.10 1.07 0.96-1.19 1.04 0.96-1.12 1.08 1.01-1.16
  1. Spain, 1980, 1990, 2000 and 2010.
  2. MRR: Mortality rate ratio.
  3. 95% CI: 95% confidence interval.
  4. 1Percentage of population that had completed secondary or higher education.