The effect of reminder using short message service on the non-attendance of health check during the COVID-19 pandemic: A randomized controlled trial of National Health Insurance subscribers

The effect of reminder using short message service on the non-attendance of health check during the COVID-19 pandemic: A randomized controlled trial of National Health Insurance subscribers - The effect of reminder using short message service on the non-attendance of health check during the COVID-19 pandemic: A randomized controlled trial of National Health Insurance subscribers

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000046224

Enrollment

47000

Registered

2021-11-29

Start date

2021-07-30

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Healthy adults

Interventions

Sending short message (based on fear appeal) three times at a maximum to remind the attendance of health checks, in addition to mailing an invitation letter of health checks Sending short message (bas

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) The mobile phone number is recorded by the residential municipality of Yokohama City; 2) Not attended health checks in 2020.

Exclusion criteria

Exclusion criteria: 1) The mobile phone number is not recorded by the residential municipality of Yokohama City; 2) Attended health checks in 2020.

Design outcomes

Primary

Measure	Time frame
Attendance rate of health checks	—

Countries

Japan

Contacts

Public ContactHiroshi Murayama

Tokyo Metropolitan Institute of Gerontology Research Team for Social Participation and Community Health

murayama@tmig.or.jp03-3964-3241

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026