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Table 4 Trial analysis: Effect size and 95% Confidence Intervals

From: An intervention modelling experiment to change GPs' intentions to implement evidence-based practice: using theory-based interventions to promote GP management of upper respiratory tract infection without prescribing antibiotics #2

Constructs Covariate analysis: Estimates of Effect Size
  Graded Task Persuasive communication
  Beta 95% CI Beta 95% CI
Behavioural intention 0.33 -0.16, 0.82 0.90 0.41, 1.38
Simulated behaviour 0.10 -0.18, 0.38 0.47 0.19, 0.74
Attitude (direct) -0.19 -0.75, 0.37 0.68 0.12, 1.24
Attitude (Indirect)/Outcome expectancies -1.73 -8.6, 5.11 14.60 7.79, 21.5
Subjective Norm -1.42 -7.55, 4.7 7.61 1.44, 13.8
PBC (direct) -0.04 -0.69, 0.61 0.22 -0.43, 0.87
PBC (indirect) 1.76 0.88, 2.64 0.76 -0.12, 1.64
Anticipated Consequences/Risk perception 0.04 -0.48, 0.57 0.98 0.46, 1.50
Self efficacy 1.44 0.64, 2.25 0.85 0.04, 1.66
Habit 0.19 -0.19, 0.56 0.49 0.07, 0.82
Prior Planning 0.09 -0.08, 0.26 0.20 0.03, 0.37
Action Planning 0.17 -0.34, 0.69 0.28 -0.24, 0.79