Verification of the change in the follow-up rate in the notice of recommendation to take a secondary health checkups for those with findings in the annual health checkups

UMIN ID: UMIN000057239

Registered date:08/03/2025

Basic Information

• Recruitment status: Complete: follow-up complete
• Health condition(s) or Problem(s) studied: Noncommunicable diseases
• Date of first enrollment: 2024/04/01
• Target sample size: 80
• Countries of recruitment: Japan
• Study type: Interventional

Intervention(s)

Reference goup The initial and reminder notifications were based on the previously used ones by the company with some modifications. The initial notification instructed recipients to independently arrange an appointment and report their appointment status within three weeks. The reminder notification added that it was being sent to workers who had not reported by the deadline . The notifications in the reference group incorporated elements designed to encourage consultation by declaring a time and place (a commitment nudge; corresponding to Social Nudge).
Nudge group The initial notification was developed based on prior research. In addition to the nudges included in the reference group's notification, this version explicitly specified the medical institution to be visited, enhancing easy application (Easy Nudge). In the reminder notification, final is displayed on the first line to prevent procrastination (Timely Nudge). Furthermore, it featured a four-frame comic strip to capture attention (Attractive Nudge) and provided an explanation of how reporting schedule status will encourage them, thereby making the existence of the Social Nudge explicit.

Outcome(s)

• Primary Outcome: Percentage of reporting appointment status and taking the follow-up examinations

Key inclusion & exclusion criteria

• Age minimum: 20years-old
• Age maximum: 75years-old
• Gender: Male and Female
• Exclude criteria: The exclusion criteria were workers who engaged in industrial health and who did not agree with the study

Related Information

• Primary Sponsor: Aomori University
• Source(s) of Monetary Support: This research was funded by Nippon Boehringer Ingelheim Co., Ltd. and Eli Lilly Japan, K.K., with MT and YM receiving funding from the research team.