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Table 3 Illness perceptions and beliefs about cardiac rehabilitation as predictors of physical health outcome (APIM)

From: Longitudinal evaluation of the effects of illness perceptions and beliefs about cardiac rehabilitation on quality of life of patients with coronary artery disease and their caregivers

Effect Patients Caregivers Effect Patients Caregivers
PCS outcome Beta t p Beta t p PCS outcome Beta t p Beta t p
Illness perceptions        Illness perceptions       
Total score:        Consequences:       
Actor effect (B-IPQ) − 0.100 − 0.941 0.350 0.067 0.636 0.527 Actor effect (B-IPQ) − 0.341 − 0.708 0.481 0.109 0.226 0.822
Partner effect (B-IPQ) 0.008 0.066 0.948 − 0.008 − 0.067 0.947 Partner effect (B-IPQ) − 0.339 − 0.784 0.435 − 0.076 − 0.177 0.860
Actor effect (PCS) 0.070 0.431 0.668 0.171 1.056 0.294 Actor effect (PCS)  0.086 0.545 0.587 0.133 0.841 0.403
Partner effect (PCS) 0.327 2.439 0.017* 0.323 2.407 0.018* Partner effect (PCS) 0.344 2.499 0.015* 0.344 2.502   0.014*
Timeline:        Personal control:       
Actor effect (B-IPQ) − 0.004 −0.014 0.989 − 0.016 − 0.045 0.964 Actor effect (B-IPQ) − 1.080 − 1.912 0.059 0.634 1.123 0.265
Partner effect (B-IPQ) 0.272 0.622 0.536 0.410 0.940 0.350 Partner effect (B-IPQ) 0.103 0.233 0.816 0.447 1.009 0.316
Actor effect (PCS) 0.130 0.860 0.392 0.144 0.950 0.345 Actor effect (PCS) 0.111 0.754 0.453 0.139 0.944 0.348
Partner effect (PCS) 0.355 2.578 0.012* 0.358 2.601 0.011* Partner effect (PCS) 0.355 2.684 0.009* 0.317 2.403 0.019*
Treatment control:        Identity:       
Actor effect (B-IPQ) 0.610 0.742 0.460 0.143 0.174 0.862 Actor effect (B-IPQ) − 0.933 − 1.874 0.065 − 0.534 − 1.073 0.286
Partner effect (B-IPQ) − 0.247 −0.274 0.785 − 0.059 − 0.066 0.948 Partner effect (B-IPQ) 0.076 0.145 0.885 0.125 0.238 0.813
Actor effect (PCS) 0.123 0.807 0.422 0.140 0.920 0.360 Actor effect (PCS) 0.095 0.601 0.549 0.123 0.780 0.438
Partner effect (PCS) 0.329 2.464 0.016* 0.333 2.495 0.015* Partner effect (PCS) 0.364 2.687 0.009* 0.379 2.792 0.007*
Illness concern:        Coherence:       
Actor effect (B-IPQ) 0.282 0.722 0.473 −0.750 − 1.913 0.059 Actor effect (B-IPQ) − 1.612 − 2.011 0.048* 0.060 0.076 0.940
Partner effect (B-IPQ) − 0.241 − 0.450 0.654 0.158 0.295 0.769 Partner effect (B-IPQ) − 0.463 − 0.638 0.525 0.277 0.382 0.703
Actor effect (PCS) 0.144 0.911 0.365 0.088 0.559 0.578 Actor effect (PCS) 0.100 0.675 0.502 0.127 0.856 0.395
Partner effect (PCS) 0.361 2.779 0.007* 0.304 2.343 0.022* Partner effect (PCS) 0.306 2 .293 0.024* 0.329 2.468 0.016*
Emotional response:
Actor effect (B-IPQ) 0.123 0.307 0.759 −0.602 −1.498 0.138        
Partner effect (B-IPQ) −0.116 − 0.282 0.778 − 0.326 − 0.794 0.429        
Actor effect (PCS) 0.072 0.467 0.641 0.138 0.871 0.386        
Partner effect (PCS) 0.350 2.674 0.009* 0.306 2.337 0.022*        
Beliefs about CR        Beliefs about CR       
Necessity:        Exercise concern:       
Actor effect (BCR-Q) − 0.256 − 0.487 0.628 − 0.197 −0.375 0.709 Actor effect (BCR-Q) − 0.174 − 0.306 0.761 0.392 0.688 0.494
Partner effect (BCR-Q) 0.057 0.111 0.912 − 0.100 − 0.195 0.845 Partner effect BCR-Q) − 0.346 − 0.584 0.561 − 0.773 − 1.302 0.197
Actor effect (PCS) 0.118 0.774 0.441 0.135 0.887 0.378 Actor effect (PCS) 0.020 0.128 0.898 0.116 0.716 0.476
Partner effect (PCS) 0.324 2.447 0.017* 0.330 2.495 0.015* Partner effect (PCS) 0.286 1.974 0.052 0.370 2.551 0.013*
Practical barriers:        Perceived suitability:       
Actor effect (BCR-Q) −1.295 −2.156 0.034* − 0.065 − 0.109 0.914 Actor effect (BCR-Q) − 0.130 − 0.212 0.833 − 0.614 − 0.996 0.322
Partner effect (BCR-Q) −0.433 − 0.558 0.578 0.873 1.124 0.264 Partner effect (BCR-Q) − 0.020 − 0.027 0.978 −0.989 − 1.307 0.195
Actor effect (PCS) 0.181 1.196 0.235 0.122 0.809 0.421 Actor effect (PCS) 0.113 0.754 0.453 0.146 0.974 0.333
Partner effect (PCS) 0.306 2.332 0.022* 0.312 2.376 0.020* Partner effect (PCS) 0.263 1.945 0.055 0.303 2.238 0.028*
  1. APIM Actor Partner Interdependence Model, PCS physical component score, SF-12 Short-From 12 Health Survey, B-IPQ Brief Illness Perception Questionnaire, BCR-Q Beliefs about Cardiac Rehabilitation **p < 0.001; *p < 0.05