Effectiveness of SMS reminders to increase demand for HPV immunisation: a randomised controlled trial in Georgia.

ABSTRACT:

Objective

To assess the effects of behaviourally informed short message service (SMS) reminders on demand for human papillomavirus (HPV) immunisation.

Design

Individually randomised, five-group, controlled parallel trial.

Setting

A country-wide trial in Georgia.

Participants

55 176 girls aged 10-12, the entire population of unvaccinated girls of this age in the country, for whom there existed caregiver contact details.

Intervention

Girls were randomised into five arms (four with n=11 035, with one n=11 036). Caregivers of the girls in four of the arms (treatment groups) were sent different versions of an SMS reminder (SMSR), reminding them that the girl was due to receive the HPV vaccine. The control group was sent no SMSR.

Outcome

The primary out

SUBMITTER: Daly N 

PROVIDER: S-EPMC12625960 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature