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Table 1 Cumulative probabilities of possible intervention’s effects

From: Effectiveness of a health technician-delivered brief intervention for alcohol: a Bayesian reanalysis of a clinical trial

 

Posterior probabilitya

Risk reductionb

 Odds-ratio < 1

0.96

 Odds-ratio < 0.8

0.84

 Odds-ratio < 0.6

0.48

AUDIT’s total scorec

 Any reduction

0.98

 At least 0.5 points

0.74

 At least 1 point

0.24

AUDIT—Cc

 Any reduction

0.97

 At least 0.25 points

0.77

 At least 0.5 point

0.33

  1. aProportion of the posterior probability distribution
  2. bPrimary outcome. The proportion of participants with low risk (i.e., AUDIT-total < 8), at 6 months follow-up
  3. cSecondary outcomes. AUDIT scores at 6 months follow-up