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Table 9 Variance Inflation Factors of Policy Variable Estimates

From: Effectiveness of Medicare cost-sharing elimination for Cancer screening on utilization

  Annual Mammogram (Women > = 40) Biennial Pap Smear (All women) Colonoscopy (All men and women > = 50)
Transition: 2011–2012 1.29 1.40 1.27
Post-policy: 2013 1.63 1.47 1.63
Continuous year trend 5.48 5.02 5.47
  1. The calculation of variance inflation factors employed all other control variables in the model