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Effectiveness of SMS appointment reminder and defaulter tracking system in Lagos State, Nigeria

Effectiveness of SMS appointment reminder and defaulter tracking system in Lagos State, Nigeria: A randomized controlled trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN13178993
Enrollment
10702
Registered
2020-05-19
Start date
2019-01-14
Completion date
Unknown
Last updated
2021-01-05

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

Conditions

Attendance at appointments at local health centre for vaccination, ANC, and family planning Not Applicable

Interventions

A client in the intervention group received a short text reminder message two days before the scheduled appointment day (appointment reminder) while a client with an appointment under the control grou

Sponsors

Japan International Cooperation Agency
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. All clients who visited the 33 PHCs in Lagos state for antenatal care (ANC), family planning, and child immunization including routine Vitamin A supplementation

Exclusion criteria

Exclusion criteria: 1. Clients with the appointments of other services (e.g., HIV/TB care) 2. Clients without a mobile phone or accessible phone number

Design outcomes

Primary

MeasureTime frame
The return status of the appointments for the three health services (i.e. ANC, FP, and child immunization including routine Vitamin A supplementation) measured for the duration of the study using patient records. If a client returns to a health facility for her appointment, they were categorized as returned cases, while if do not return, they were categorized as a defaulter

Secondary

MeasureTime frame
Timing of receiving vaccination, ANC and FP measured for the duration of the study using patient records

Countries

Nigeria

Outcome results

None listed

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