Table 3 Contents of community-based intervention for vaccination promotion

Health service supports

(1) clinical/service support

(2) navigation assistance

(3) referral service

(4) making health service accessible by building community vaccination sites

(5) updating health service facilities and increasing number of health workers

Follow-ups/home visits

(1) identifying unvaccinated participants, or arranging them to get vaccinated

(2) management/follow ups after vaccination

(3) feedback about results of medical examination and promotion of health-related behaviours

(4) addressing knowledge and awareness about vaccination

Health education activities

Educational contents

(1) introduction about the research project; (2) disease knowledge; (3) vaccination-related knowledge/information; (4) insurance and local health service–related information; (5) communication skills with different stakeholders; (6) testimonial of vaccinated/unvaccinated peers and physicians; (7) establishment or utilisation of social support system

Educational channels and ways

(1) websites; (2) telephone calls; (3) text messages; (4) mailing; (5) face-to-face (e.g., self-help learning, educational session); (6) interactive group discussion/activities

Type of educational materials

(1) printed materials; (2) videos

Social marketing campaigns and community mobilisations

(1) mobile billboards

(2) public medias campaigns

(3) automated text messages

(4) door-to-door promotions

(5) advertising at community activities or organisations

Interactive discussions

(1) addressing participants’ concerns about health/vaccination

(2) increasing participants’ knowledge and information related to vaccination

Vaccination reminders

(1) reminder by mailings

(2) reminder by automated devices

(3) reminder by phone calls

(4) reminder by emails

(5) face-to-face reminder

Financial/material incentives

(1) free or low-cost vaccination

(2) free or low-cost health service

(3) gift (a book)