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Spouses’ long-term support to midlife stroke survivors - Consequences in a health economic perspective

Doctoral thesis
Authors Josefine Persson
Date of public defense 2017-04-28
Opponent at public defense Med.dr. Katarina Steen Carlsson
ISBN 978-91-629-0136-3
Publisher Ineko AB
Place of publication Göteborg
Publication year 2017
Published at Institute of Neuroscience and Physiology
Language en
Links hdl.handle.net/2077/51745
Keywords Stroke, Spouses, Health-related quality of life, Quality-adjusted lifeyears, Informal support, Time-diary, Cost analysis, Opportunity cost
Subject categories Neurology, Health Care Service and Management, Health Policy and Services and Health Economy

Abstract

Spouses of midlife stroke survivors often experience demands on family roles and professional life due to the impact of stroke, however knowledge concerning spouses’ support and the long-term consequences for their own health is limited. Hence, the overall aim of this thesis was to describe the long-term effects health related quality of life (HRQoL) of spouses of midlife stroke survivors’ and the annual cost of the informal support provided. Data were collected from the study population at the seven-year follow-up of the Sahlgrenska Academy Study on Ischemic Stroke (SAHLSIS). Cohabitant dyads of 248 stroke survivors aged <70 at stroke onset and 245 controls were included in this study. HRQoL was assessed by the SF-36 and the time spent on informal support was assessed with a study specific time-diary. Spouses of dependent and independent stroke survivors were categorised according to their scores on the modified Rankin Scale. Findings showed that spouses of dependent stroke survivors reported poorer physical, general and mental health in comparison to the spouses of independent stroke survivors and spouses of controls. The spouses’ physical health was negatively related to their own age and the global disability of the stroke survivor, and the spouses’ mental health was negatively related to the partners’ global disability, level of depression and cognitive dysfunction as well as if the spouses experienced lack of social support. The dyads of stroke survivors and spouses reported similar role emotional and mental health, but poorer in comparison to the dyads of controls. Spouses of dependent stroke survivors reported nearly 15 hours of informal support per day, which corresponds to an estimated annual cost of €25,000. Spouses of independent stroke survivors reported less than one hour of informal support per day, corresponding to an estimated annual cost of €1,000. In conclusion, spouses of dependent midlilfe stroke survivors, reported lowered HRQoL and provides more informal support. Thus, to include the spouses’ consequences in economic evaluations of healthcare interventions that seeks to reduce the dependency of stroke survivors could capture more of the total effects in dyads of stroke survivors.

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