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Table 1 Target/ study population detailed for each work package of data collection

From: Primary palliative Care in General Practice – study protocol of a three-stage mixed-methods organizational health services research study

Work package Target population Proposed sample size Sampling strategy
Ethnographic research GPs; GPs assistants, professional caregivers n = 30 The Institute of General Practice’s education and research network of n = 250 general practices; theoretical sampling contrasting: rural vs. urban; single vs. joint practice; specific palliative education vs. nonspecific palliative education
Secondary analysis GPs, GPs assistants, professional caregivers interviews:
n = 52
group discussions: n = 3
Existing data set of interviews / one focus group with GPs conducted within the ELFOP project; all interviews and the focus group are included
CIT GPs, GPs assistants, professional caregivers, patients and relatives n = 16 Theoretical sampling contrasting: rural vs. urban; diagnosis; single vs. joint practice; men vs. women
Analysis of Health insurance claims data GPs’ patients identified as being in need of PC not applicable Health insurance claims data: all AOKN and BARMAR insured persons in Lower Saxony with palliative billing codes
PAR GPs, community nursing teams, patients and informal carers, other relevant PC providers not applicable Theory-based purposive sampling [55]
Delphi study GPs’ professional representatives and other relevant experts for health policy decision making and healthcare planning n = 30 DEGAM; DGP; GPs’ chairmen / quality circles; the Institute of General Practice’s close links with GPs’ professional boards and associations (Hausärzteverband)
Consensus workshops GPs’ professional representatives; health insurers; experts for medical education; and other relevant experts for health policy decision making and healthcare planning n = 20 Two groups with approximately 10 participants each; theory-based purposive sampling [55]
Implementation of the intervention package GPs’, community nursing teams, health insurers; and other relevant experts for health policy decision making and healthcare planning not applicable Exemplary test region in Germany (Lower Saxony) involving n = 8 general practices, as well as all relevant service providers and stakeholders in the respective region
Questionnaire survey (Summative evaluation) GPs’, community nursing teams, health insurers; and other relevant experts for health policy decision making and healthcare planning n = 130 Service providers, insurers, and other local stakeholders involved in the implementation of the tailored intervention package (Phase II) and from two exemplary other regions in Germany
Patient-relevant outcomes (Summative evaluation) Patients and informal carers standardized scales
n = 32
interviews
n = 16
Patients and informal carers attended by general practices who are involved in the implementation of the tailored intervention package (Phase II) and from two exemplary other regions in Germany