Table 1 Dedicated hypotheses & research questions

A1

The relative proportion of patients using DAC with low digital literacy increases over the observation period

A2

The relative proportion of patients using DAC with low health literacy increases over the observation period

A3

The relative proportion of patients using DAC with low technology acceptance increases over the observation period

A4

Patients planned for inpatient treatment are more likely to use DAC than patients receiving acute outpatient care

A5

Patients who are frequently treated in the hospital (either outpatient or inpatient) are more likely to use DAC than those who are less frequently treated

Quantitative Hypotheses (B) Determinants of Physicians PP Usage

B1

The relative proportion of physicians using DAC with low digital literacy increases over the observation period

B2

The relative proportion of physicians using DAC with low technology acceptance increases over the observation period

Qualitative Research Question (C) Barriers to PP Usage or Reasons for Non-Usage

C1

What are the patient-related reasons for non-usage and barriers during the usage of DAC over time?

C2

What are the physician-related reasons for non-usage and barriers during the usage of DAC over time?

Exploratory Research Question (D) Actual PP Usage

D1

How does the documentation of medical history change over time with the utilization of DAC through the PP?

Exploratory Research Question (E) Changes in Administrative Data

E1

What changes occur in the data collected for administrative purposes after the introduction of the PP?