Table 2.

Qualitative research methods

Group interviews with project teams (n = 4)a
Participation	The PHS project coordinator, the key figure(s), additional PHS staff (such as the TB physician, TB nurse, Medical Technical Assistant).
Time	Approximately 1 h
Location	At the PHS office
Informed consent	A-priori audio-taped verbal consent
Communication	Dutch
Transcript	Verbatim in Dutch (by IS)
Incentive	None
Group interviews with Eritrean participants (n = 5)
Participation	Group interviews, each consisting of 4 to 6 participants, took place immediately following the LTBI screening
Time	Between 30 and 45 min
Location	At the PHS, in a separate room to ensure privacy
Informed consent	Written a-priori informed consent
Communication	Tigrinya
Transcript	Verbatim translated from Tigrinya in English (by DTH)
Incentive	None (beverages were provided)
Individual interviews with Eritrean participants diagnosed with LTBI (n = 10)
Participation	TB nurses asked Eritrean clients on LTBI treatment for consent to be approached by phone for an invitation to participate in an individual interview and to set an appointment if willing to participate.
Time	Between 15 and 30 min
Location	Location to the client’s convenience
Informed consent	Written a-priori informed consent
Communication	Tigrinya
Transcript	Verbatim translated from Tigrinya in English (by DTH)
Incentive	A 10-euro voucher

LTBI Latent tuberculosis infection, PHS Public Health Service, TB Tuberculosis

^aOne project team (PHS 5) was not interviewed because activities were organized, in consultation with the PHS 5 TB care staff, ad-hoc by the authors IS and DTH