Appendix Table 1 Semi-structured interview guide

SSI

Resident, floor ward (Surgeon)

What was the last operation you performed? Tell me what you have to consider before the operation and what you documented afterwards?

What was the basis for the decision to document?

Do you prescribe the antibiotic prophylaxis or the anaesthesiologist itself?

What and how is this documented?

Did you perform the operation yourself?

Are minor details also documented? E.g. hand disinfection or if you reach somewhere with the swab and it would no longer be aseptic?

Can you tell me your reasoning for documenting something?

And why did you document it that way (why not more or less?)?

Does it happen that something is not (or not fully) documented? Why do you think it is not documented?

What are generally barriers and facilitators to documentation?

Resident, operating room (Anaesthesiologist)

What was it like the last time you attended an operation? Tell me what you did and documented afterwards?

How do you deal with the prescribed antibiotic prophylaxis?

What do you document regarding your involvement with it?

Are minor details also documented? E.g. hand disinfection or if you get somewhere with your clothes on and it would no longer be aseptic?

Can you tell me your reasoning for documenting something?

And why did you document it that way (why not more or less?)?

Does it happen that something is not (or not fully) documented? Why do you think it is not documented?

What are generally barriers and facilitators to documentation?

Nurse, floor ward

What was it like the last time you took care of a surgical wound? Tell me what you did and documented afterwards?

Are minor details also documented? E.g. hand disinfection or if you reach somewhere with the swab and it would no longer be aseptic?

Can you tell me your reasoning for documenting something?

And why did you document it that way (why not more or less?)?

Does it happen that something is not (or not fully) documented? Why do you think it is not documented?

What are generally barriers and facilitators to documentation?

CAUTI

Resident, floor ward

Do you deal with urinary catheters?

When was the last time you prescribed a urinary catheter? Tell me what you did and documented afterwards?

What was the basis for the decision to document the initial indication?

Is the decision process regarding the alternatives documented?

What was the basis for the decision to document the follow-up indication?

What is documented regarding the insertion?

Are minor details also documented? E.g. hand disinfection or if the catheter is placed somewhere and it is no longer aseptic?

What is the basis for the decision to document a deconnection?

Can you tell me your reasoning for documenting something?

And why did you document it that way (why not more or less?)?

Does it happen that something is not (or not fully) documented? Why do you think it is not documented?

What are generally barriers and facilitators to documentation?

Nurse, floor ward

Do you deal with urinary catheters?

What was it like the last time you inserted a urinary catheter? Tell me what you did and documented afterwards?

What is documented regarding the insertion?

Are minor details also documented? E.g. hand disinfection or if the catheter is placed somewhere and it is no longer aseptic?

What is the basis for the decision to document a deconnection?

Can you tell me your reasoning for documenting something?

And why did you document it that way (why not more or less?)?

Does it happen that something is not (or not fully) documented? Why do you think it is not documented?

What are generally barriers and facilitators to documentation?

VAP

Resident, ICU

What was it like the last time you did an intubation? Tell me what you did and documented afterwards?

What was the basis for the decision to document the initial indication?

Is the decision-making process regarding the alternatives documented?

What is then documented regarding the intubation?

Are minor details also documented? E.g. hand disinfection or if you get somewhere with the tube and it would no longer be aseptic?

How is the elevation of the upper body documented?

How is the sedation stop documented?

Can you tell me your reasoning for documenting something?

And why did you document it that way (why not more or less?)?

Does it happen that something is not (or not fully) documented? Why do you think it is not documented?

CRBSI

Resident, floor ward

Are you dealing with CVCs?

How was it the last time you prescribed a CVC? Tell me what you did and documented afterwards?

What was the basis for the decision to document the initial indication?

How is the prescription of the insertion site documented?

How is the prescription of the catheter documented?

What was the basis for the decision to document the follow-up indication?

Can you tell me your reasoning for documenting something?

And why did you document it that way (why not more or less?)?

Does it happen that something is not (or not fully) documented? Why do you think it is not documented?

What are generally barriers and facilitators to documentation?

Resident, operating room (Anaesthesiologist)

Are you dealing with CVCs?

What was it like the last time you inserted a CVC? Tell me what you did and documented afterwards?

What do you document regarding your consideration of the initial indication?

What is documented regarding the insertion?

Are minor details also documented? E.g., hand disinfection or if the catheter is placed somewhere and it is no longer aseptic?

Can you tell me about your reasoning for documenting something?

And why did you document it that way (why not more or less?)?

Does it happen that something is not (or not fully) documented? Why do you think it is not documented?

What are generally barriers and facilitators to documentation?

Nurse, floor ward

Are you dealing with CVCs?

What was it like the last time you took care of a CVC in a patient? Tell me what you did and documented afterwards?

What is documented regarding the care?

Are minor details also documented? E.g. hand disinfection or if you reach somewhere with the swab and it would no longer be aseptic?

Can you tell me your reasoning for documenting something?

And why did you document it that way (why not more or less?)?

Does it happen that something is not (or not fully) documented? Why do you think it is not documented?

What are generally barriers and facilitators to documentation?