The Effect of Reminder Using Short Message Service on the Attendance of Health Check Among National Health Insurance Subscribers: A Randomized Controlled Trial

The Effect of Reminder Using Short Message Service on the Attendance of Health Check Among National Health Insurance Subscribers: A Randomized Controlled Trial - The Effect of Reminder Using Short Message Service on the Attendance of Health Check Among National Health Insurance Subscribers

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000041721

Enrollment

50000

Registered

2020-09-08

Start date

2020-04-01

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 three times to remind the attendance of health checks, in addition to mailing an invitation letter of health checks Sending short message twice to remind the attendance of health

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The mobile phone number is recorded by the residential municipality of Yokohama City.

Exclusion criteria

Exclusion criteria: The mobile phone number is not recorded by the residential municipality of Yokohama City.

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