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Table 4 Model coefficients for synthetic wage and survey reported income (continuous and deciled) for age and sex adjusted logistic regression models predicting fair, bad or very bad health in Scottish Health Survey[1] reported income is equivalised household income and in UK household Longitudinal Study[2] individual wage

From: A method for estimating wage, using standardised occupational classifications, for use in medical research in the place of self-reported income

  Scottish Health Survey[1] UK Household Longitudinal Study[2]
  N Odds ratio for poor health 95% CI Corr (r) N Odds ratio for poor health 95% CI Corr (r)
Continuous Income (scaled in units of £100)         
Synthetic wage 7757 0.661*** 0.623,0.702 0.288*** 12457 0.765*** 0.721,0.812 0.118***
Survey reported income 7075 0.829*** 0.810,0.848 0.335*** 9459 0.936*** 0.910,0.962 0.098***
Deciled Income         
Synthetic wage (lowest income decile as reference) 7757    0.288*** 12457    0.123***
  1st   1    1  
  2nd   0.678*** 0.541,0.851   0.869 0.690,1.095
  3rd   0.725*** 0.579,0.907   0.904 0.720,1.135
  4th   0.590*** 0.468,0.743   0.759* 0.601,0.960
  5th   0.572*** 0.455,0.720   0.742* 0.585,0.940
  6th   0.491*** 0.386,0.623   0.539*** 0.419,0.694
  7th   0.390*** 0.305,0.499   0.542*** 0.422,0.695
  8th   0.371*** 0.290,0.475   0.490*** 0.379,0.633
  9th   0.284*** 0.220,0.366   0.549*** 0.427,0.706
  Most   0.204*** 0.155,0.268   0.377*** 0.285,0.498
Survey reported income (lowest income decile as reference) 7075    0.350*** 9459    0.134***
  1st   1    1  
  2nd   1.204 0.947,1.529   0.844 0.656,1.086
  3rd   0.899 0.716,1.128   0.640*** 0.492,0.833
  4th   0.714*** 0.563,0.905   0.870 0.678,1.118
  5th   0.634*** 0.498,0.807   0.695** 0.536,0.903
  6th   0.449*** 0.347,0.582   0.594*** 0.456,0.773
  7th   0.335*** 0.260,0.431   0.437*** 0.330,0.578
  8th   0.227*** 0.171,0.301   0.320*** 0.235,0.437
  9th   0.222*** 0.167,0.296   0.497*** 0.377,0.656
  Most   0.168*** 0.124,0.226   0.419*** 0.315,0.557
  1. Correlation measures the association between the predicted risk of poor health and the actual data comparable measure of model fit.
  2. P-value *(p < .10) **(p < .05) *** (p < .01).