Determinants of Hepatitis B Vaccination and the Effect of a Theory of Planned Behavior–Based Educational Intervention on Knowledge and Intention to Vaccinate Among People Living with HIV in the Dodoma Region, Tanzania

Determinants of Hepatitis B Vaccination and the Effectiveness of a Theory of Planned Behavior–Based Educational Intervention on Knowledge and Intention to Receive Hepatitis B Vaccination Among People Living with HIV in the Dodoma Region, Tanzania: A Randomized Controlled Trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

PACTR

Registry ID

PACTR202607484257298

Enrollment

104

Registered

2026-07-24

Start date

2026-07-13

Completion date

Unknown

Last updated

2026-09-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

HIV/AIDS

Interventions

Theory of Planned Behavior based Educational Intervention

Routine care counselling

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.People living with HIV (PLHIV) aged 18 years and above and willing to participate in the study. 2.People living with HIV (PLHIV) who are unvaccinated (have received zero doses of the hepatitis B vaccine) or have incomplete vaccination status due to missed vaccination appointments.

Exclusion criteria

Exclusion criteria: 1.People living with HIV (PLHIV) attending Care and Treatment Clinics (CTCs) in the Dodoma Region who are critically ill. 2.People living with HIV (PLHIV) with self-reported hepatitis B infection will be excluded from the study.

Design outcomes

Primary

Measure	Time frame
Hepatitis B knowledge	—

Secondary

Measure	Time frame
Intention to uptake the Hepatitis B Vaccine	—

Countries

United Republic of Tanzania

Contacts

Public ContactJudith Mwereo Kiliani

Student

judithkiria64@gmail.com0756327035

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Sep 19, 2026