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Intervention strategies for vaccine hesitancy among older people in China based on the Determinants of Vaccine Hesitancy Matric of World Health Organization: Theoretical model, risk classification, and precision intervention

Intervention strategies for vaccine hesitancy among older people in China based on the Determinants of Vaccine Hesitancy Matric of World Health Organization: Theoretical model, risk classification, and precision intervention

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600127257
Enrollment
Unknown
Registered
2026-06-28
Start date
2026-07-06
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

None

Interventions

Control group:A Guide to Infectious Disease Prevention for Seniors
Intervention group:Digital precise intervention strategies based on DVH-OC and Usual care

Sponsors

Tsinghua University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
60 Years to 79 Years

Inclusion criteria

Inclusion criteria: Community Inclusion Criteria: 1. The street community is willing to cooperate with the research. 2. The street community has enough elderly people to meet the sample size requirements. 3. The street community has the basic conditions to implement interventions (such as having a place for offline health education, a volunteer team to assist with participant recruitment, follow-up, and interventions, etc.). 4. The intervention and control group community sites under the same street cannot be reached on foot (straight-line distance >2 km) to avoid contamination. 5. There are no regular group activities for elderly people between community sites. Elderly Participants: 1. Aged 60-79 years. 2. Permanent residents in the community site under the study. 3. Did not receive any flu vaccine in the past year (i.e., the most recent flu season). 4. Able to use a smartphone and WeChat (for receiving online intervention information). 5. Willing to participate and sign the informed consent form. 6. Only one elderly person per household is included. 7. Plan to live in the community site for the next 9 months.

Exclusion criteria

Exclusion criteria: 1.Medical records or self-reported contraindications to vaccination (e.g., with a history of severe allergic reactions, immune deficiencies, etc.); 2.Medical records or self-reported presence of acute or severe physical or mental illness, inability to participate in intervention activities or understand questionnaire content; 3.Medical records or self-reported serious visual/hearing/language impairments or communication barriers that affect normal participation in the study; 4.Currently participating in other similar research on vaccine promotion;

Design outcomes

Primary

MeasureTime frame
Uptake rate of influenza vaccine in the most recent influenza season;

Secondary

MeasureTime frame
Uptake rate of herpes zoster vaccine in the past;Uptake rate of pneumococcal vaccine in the past;Intention of receiving recommended vaccine in the future;Level of vaccine hesitancy;Health literacy of preventing infectious disease;

Countries

China

Contacts

Public ContactSitong Luo

Tsinghua University

sitongluo@tsinghua.edu.cn+86 10 62791154

Outcome results

None listed

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