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Table 1 Means and standard deviations of 3000 sample statistics (HIV prevalence = 10%)

From: Risk of using logistic regression to illustrate exposure-response relationship of infectious diseases

Models Parameters Mean Standard deviation Coefficient of variation
A (Ordinary) Intercept (α) −5.24 0.10 −2%
  Coefficient (β) 0.23 0.01 4%
B (Categorical) Intercept (α) −0.66 0.41 −62%
  0-2 partners Coefficient (β) Ref Ref  
  3-5 partners Coefficient (β) −0.14 0.29 −207%
  6-10 partners Coefficient (β) −0.14 0.28 −200%
  11-15 partners Coefficient (β) 2.06 0.52 25%
  16-20 partners Coefficient (β) 4.06 0.52 13%
  21-25 partners Coefficient (β) 4.67 0.53 11%
  26-30 partners Coefficient (β) 5.26 0.53 10%
  31-35 partners Coefficient (β) 5.97 0.55 9%
  36-40 partners Coefficient (β) 6.91 0.73 11%
  > = 41 partners Coefficient (β) 10.02 3.78 38%
C (Log transformation) Intercept (α) 10.95 0.46 −4%
  Coefficient (β) 3.46 0.16 5%