The effects of monetary incentives on COVID-19 vaccination uptake in Ghana

CANDOUR Ghana protocol: Ghana COVID-19 vaccinations and financial incentives

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN66056835

Enrollment

6552

Registered

2022-01-21

Start date

2022-01-24

Completion date

Unknown

Last updated

2022-02-01

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

Conditions

Prevention of COVID-19 by promoting COVID-19 vaccine uptake. Infections and Infestations

Interventions

Treatment 1: A placebo video that provides general information about the benefit of using solar power to charge household electrical appliances. Treatment 2: Standard COVID-19 vaccine

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Over the age of 18 years 2. Have not received a COVID-19 vaccination 3. Agree to conduction in accordance with the COVID-19 safety protocol

Exclusion criteria

Exclusion criteria: Having symptoms of COVID-19 at the time of the intervention

Design outcomes

Primary

Measure	Time frame
COVID-19 vaccination within 6 weeks of receiving one of the four randomly assigned interventions measured using a bespoke survey	—

Secondary

Measure	Time frame
Stated intention to have a COVID-19 vaccination with 6 weeks of receiving one of the four randomly assigned interventions measured using a bespoke survey	—

Countries

Ghana

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026