From: The contribution of illness perception to psychological distress in heart failure patients
Parameter | Standardised regression coefficients | R | R2 | Change in R2 | ||
---|---|---|---|---|---|---|
(I) Socio-demographic variables: | Model I | Model II | Model III | .335 | .112 | .112 |
 Age | -.203 | -.216 | -.278 |  |  |  |
 Gender | .117 | .122 | .236 |  |  |  |
 Education | -.251 | -.263 | --.269 |  |  |  |
(II) Functional status: | Â | Â | Â | .338 | .114 | .003 |
 NYHA class |  | .053 | -.061 |  |  |  |
(III) Illness perceptions: | Â | Â | Â | .690 | .476 | .362** |
 Timeline acute/chronic |  |  | .184 |  |  |  |
 Timeline cyclical |  |  | -.028 |  |  |  |
 Consequences |  |  | -.142 |  |  |  |
 Personal control |  |  | -.176 |  |  |  |
 Treatment control |  |  | -.146 |  |  |  |
 Identity |  |  | .366 |  |  |  |
 Illness coherence |  |  | .064 |  |  |  |
 Emotional representations |  |  | .348 |  |  |  |