Page 136 - THE PERCEPT STUDY Illness Perceptions in Physiotherapy Edwin de Raaij

Chapter 7
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Table 6: Results of the analyses to evaluate the mediating influence of IPs on adjusted treatment effect on primary outcomes Total adjusted effect of treatment on primary outcomes
Indirect Effect (mediation) of Illness Perception Dimension
IE %
IE %
IE %
IE
% IE %
IE %
Consequences Timeline
Personal Control Treatment Control Identity
-0.5 38.5 0.0 0.0 -0.2 15.4 -0.1 7.8 -0.5 39.5 -0.4 30.8 -0.1 7.8 -0.2 15.4
-0.7 38.9
-0.5 31.3 0.0 0.0 -0.2 12.5 -0.1 6.3 -0.5 31.3 -0.5 31.3 -0.1 6.3 -0.1 6.3
-1.2 0.0 -03 0.0
46.2 -0.6 46.2 0.0 0.0 0.0 11.5 -0.1 7.7 0.0 -0.1 7.7 46.2 -0.7 53.8 30.8 -0.4 30.8 3.8 -0.1 7.7 23.1 -0.2 15.4
-1.3 54.2 -0.1 4.2 -0.2 8.3
Concern Coherence Emotional response
-0.2 11.1
Pain Intensity direct effect
Physical functioning direct effect
Pain interference daily life direct effect
During Treatment -1.3 (CI-1.9, -0.7)
Post Treatment -1.8 (CI-2.4, -1.2) ^
During Treatment -1.6 (-2.2, -1.1) ^
Post Treatment -2.6 (CI-32, -1.1)^
During Treatment -1.3 (CI-1.9, 0.7)
Post Treatment -2.4 (CI-3.0, -1.8)
-0.1 5.6
-0.2 11.1
-0.1 5.6
0.0 0.0 -1.5 62.5 -0.8 33.3 -0.1 4.2 -0.8 33.3
-0.7 38.9
-1.2 -0.8 -0.1 -0.6
-0.1 5.6
-0.7 38.9
CI = 95% Confidence Interval, ^ = Clinical meaningful improvement ≥ 30% baseline score 31, IE = Indirect Effect (Mediation Effect), % = Percentage mediation