⁃ In-depth interview (IDI) participants must be

• HIV-positive adults

• =18 years of age

• survey and/or cohort participants and

• had received HIV and/or NCD services at a TASKPEN study site.

⁃ Focus group discussion (FGD) participants must be:

• =18 years of age;

• a non-physician health care worker (NPHW) or community health worker (CHW)/ lay health provider involved with TASKPEN or integrated HIV/NCD service delivery; and

• generally familiar with HIV and/or NCD service delivery at their facility.

⁃ Key informant interview (KII) participants must be:

• =18 years of age;

• a facility-level ART, DSD, out-patient department (OPD), or relevant clinic leader/ manager/ in-charge, or policy maker at district, provincial, or national level in Zambia; and

• generally familiar with HIV and/or NCD-related issues in their community.

⁃ Implementation questionnaire participants must be:

• HIV-positive adults

• =18 years of age

• who had exposure to the TASKPEN intervention at a study site OR

• =18 years of age,

• a facility-level healthcare provider or manager at district, provincial, or national level in Zambia, and

• familiar with the TASKPEN intervention.

⁃ Costing study participants must be:

• HIV-positive adults

• =18 years of age

• who had received HIV and/or NCD services at a TASKPEN study site OR

• =18 years of age and

• a facility-level healthcare provider or manager at facility, district, provincial, or national level in Zambia, and generally familiar with HIV and/or NCD-related issues.