Influenza
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Elderly people aged 65 and above in urban and rural areas
Exclusion criteria
Exclusion criteria: 1) Patients with medical records or self-reported allergies or adverse reactions to influenza vaccine; 2) Who received influenza vaccine in the current season before randomization; 3) People who already have family members participating in the nudge (to avoid family interactions) 4) People without mobile phones; 5) People who choose not to receive text messages.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Whether the participants received the flu vaccine during the flu season when the trial was conducted; | — |
Secondary
| Measure | Time frame |
|---|---|
| Participants are willing to get the flu vaccine in the next flu season or not.; | — |
Countries
China
Contacts
Wuhan University