With an aging population, the demand for care along with increasing health-care expenditures place an increasing burden on public finances. Informal care may substitute and complement publicly provided formal care (Bolin et al., 2008;Bonsang, 2009;Van Houtven & Norton, 2004). Therefore, informal caregivers constitute a critical national resource. Even in Norway-a country with a large public sector and one of the highest spending levels on publicly provided eldercare in Europe (Huseby & Paulsen, 2009)-the amount of man hours of informal care provided is estimated to be of the same magnitude as that of publicly provided formal care (Berge et al., 2014). Nevertheless, informal care may come at a cost for caregivers; care responsibilities can be a stressor as they often come in addition to other obligations such as work or household chores, or they can have