Skip to main content

Advertisement

Table 2 Simulation results

From: Design of a randomized controlled trial for multiple cancer risk behaviors among Spanish-speaking Mexican-origin smokers

  Constant differences   Increasing differences   Decreasing differences
  6 months 12 months 18 months   6 months 12 months 18 months   6 months 12 months 18 months
HE 0.05 0.10 0.15 HE 0.05 0.10 0.15 HE 0.05 0.10 0.15
MAPS 0.15 0.20 0.25 MAPS 0.10 0.20 0.30 MAPS 0.20 0.20 0.20
difference 0.10 0.10 0.10 difference 0.05 0.10 0.15 difference 0.15 0.10 0.05
ICC power 95% CI ICC power 95% CI ICC power 95% CI
0.10 0.99 0.98-1.00 0.10 0.99 0.98 1.00 0.10 0.99 0.98-1.00
0.30 0.94 0.93-0.95 0.30 0.95 0.94 0.96 0.30 0.98 0.97-0.99
0.50 0.79 0.76-0.82 0.50 0.84 0.82 0.86 0.50 0.98 0.97-0.99
  1. Note: HE = Health Education; MAPS = Motivation And Problem Solving; ICC = intraclass correlation coefficient; CI = confidence interval.