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Table 1 Key model inputs

From: Using value of information methods to determine the optimal sample size for effectiveness trials of alcohol interventions for HIV-infected patients in East Africa

Variables

Baseline values

Sources

VOI variables

 Expected prior effect sizea, \( \overline{e} \)

45%

[28, 36, 45]

 Sample size for the prior study, n0

75

[28, 36]

 Marginal cost per sampleb, \( \overline{c} \)

$1140

[37,38,39,40]

HIV transmission variables

 Relative risk of unhealthy alcohol use on risky sex

1.29

[45]

 Relative risk of unhealthy alcohol use on STIs

1.72

[45]

 Relative risk of unhealthy alcohol use on ART non-adherence

2.33

[45]

  1. STIs Sexually Transmitted Infections
  2. aEffect size was measured as relative risk reduction due to the implementation of an alcohol intervention for unhealthy alcohol drinkers in population
  3. bThis summarizes program cost, treatment cost, and other costs