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Table 2 Pooled mean differences (standard errors) and p values* of group comparisons on the outcome variables

From: Cost-effectiveness of tailored print communication, telephone motivational interviewing, and a combination of the two: results of an economic evaluation alongside the Vitalum randomized controlled trial

Outcome variable TPC vs. combined TPC vs. TMI TPC vs. control combined vs. TMI combined vs. control TMI vs. control
Difference in total number of guidelines met 0.12 (0.07)
p = 0.10
0.20 (0.07)
p = 0.001
0.36 (0.07)
p < 0.001
0.10 (0.07)
p = 0.13
0.24 (0.07)
p < 0.001
0.14 (0.06)
p = 0.02
Quality-Adjusted Life-Years experienced over 73 weeks 0.01 (0.01)
p = 0.35
0.00 (0.01)
p = 0.73
0.02 (0.01)
p = 0.09
-0.01 (0.01)
p = 0.42
0.01 (0.01)
p = 0.32
0.02 (0.01)
p = 0.07
  1. Notes TPC = tailored print communication; TMI = telephone motivational interviewing; combined = combination of TPC and TMI; *p values obtained by independent t tests