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Implementation Effect and Health Economic Evaluation of Digital Messaging Nudges to Improve Influenza Vaccination Uptake Among Older Adults: A Randomized Controlled Trial

Implementation Effect and Health Economic Evaluation of Digital Messaging Nudges to Improve Influenza Vaccination Uptake Among Older Adults

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600129085
Enrollment
Unknown
Registered
2026-07-30
Start date
2025-09-22
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

Influenza vaccination rate

Interventions

Control group:No intervention
standard message group:Provide standardized message to the group
gain-framed narrative message group:Send the gain framework information
loss-framed narrative message group:Send the loss framework information
personalized narrative message group:Send personalized message
specialist endorsement message group:Send authoritative expert information
social comparison message group:Send social comparison information

Sponsors

Peking University Third Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
60 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.First, the age is 60 years or older, meeting the definition of the elderly population as the research subject; 2. An electronic health record has been established at the community health service center of the research location, ensuring that the research team can obtain basic demographic information, past health information, and subsequent vaccination records.

Exclusion criteria

Exclusion criteria: 1.Those with severe illnesses such as advanced cancer or severe heart disease, with a life expectancy of no more than one year; 2.Those with cognitive impairments such as Alzheimer's disease, who are unable to fully understand or cooperate with the research procedures.

Design outcomes

Primary

MeasureTime frame
Influenza vaccination rate;

Secondary

MeasureTime frame
Incremental cost-effectiveness ratio;Incremental cost-utility ratio;Quality-adjusted life years gained;

Countries

China

Contacts

Public ContactQing Liu

Peking University Third Hospital

qingfoxii@163.com+86 135 2020 3689

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Aug 10, 2026