• BMC palliative care · Jan 2015

    Multicenter Study

    End-of-life care research with bereaved informal caregivers--analysis of recruitment strategy and participation rate from a multi-centre validation study.

    • Stephanie Stiel, Maria Heckel, Sonja Bussmann, Martin Weber, and Christoph Ostgathe.
    • Department of Palliative Medicine, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen, Krankenhausstraße 12, 91054, Erlangen, Germany. stephanie.stiel@uk-erlangen.de.
    • BMC Palliat Care. 2015 Jan 1;14:21.

    BackgroundOne essential element of research is the successful recruitment of participants. However, concerns are obvious regarding the ethical implications of involving terminally ill and even dying patients and their informal caregivers as research participants. This study aims to illustrate central issues encountered when recruiting bereaved informal caregivers for a questionnaire validation study on the quality of dying and death.MethodsBetween July 2012 and November 2013, informal caregivers of deceased inpatients who were treated at two palliative care units in Germany were invited to participate in a questionnaire validation study. Informal caregivers were called by a trained researcher at the end of the fourth week after death at the earliest and by the sixteenth week after death at the latest and asked to participate in a face-to-face interview in their private home.ResultsThe overall participation rate of all eligible informal caregivers was 76.1% (226/297). The mean burden score was 2.5 (NRS from 0=no burden to 10=maximum burden; n=221). Higher burden scores (≥4) were associated with emotional and burdensome memories (n=34) being invoked throughout the interview. Severe or maximum burden scores (≥7) were stated by 13.2% of participants. The average time between the associated patient's death and the informal caregiver's interview was 57.3 days (range 26-176 days, median 49.5 days). 5.3% of all 226 interviews were not completed due to different reasons. Participants' comments on the way in which the study was conducted gave insight into their motivation to take part in the study and their evaluation of the interview situation.ConclusionsThe recruitment strategy can be recommended to other researchers developing research with bereaved carers. The burden caused by study participation was acceptable to the researchers carrying out this research, although a small group of participants experienced high levels of burden which should be anticipated and appropriate support services offered. Family caregivers are willing to support end-of-life care research, have different motivations for participation and even reported benefits from participation. Nevertheless, study designs have to take into account and ease the potential burden of interviews for caregivers experiencing grief.

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