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Table 2 Relationship between self-rated health (as a continuous and dichotomous) variable and mortality

From: Determinants of self rated health and mortality in Russia – are they the same?

  Cox proportional hazards ratio for death during the study
(95% confidence interval)
  Male Female
Self-rated health at entry   
(a) Ordinal Variable   
Very good 0.62 (0.23–1.68) -
Good 0.84 (0.64–1.11) 1.73 (1.08–2.77)
Average 1 1
Poor 1.52 (1.20–1.93) 1.66 (1.29–2.14)
Very poor 2.40 (1.66–3.46) 2.49 (1.77–3.48)
P for trend <0.001 <0.001
(b) Dichotomous variable   
Very good/good/average 1 1
Poor/very poor 1.69 (1.36–2.10) 1.74 (1.38–2.20)