Study: NCT05525494

Intervention type: BEHAVIORAL
Group type: ACTIVE_COMPARATOR
Intervention: Text Fixed R/R Messages with Direct Appointment Schedule Link
Description: Participants in this arm will receive up to 3 R/R messages by text. R/R message will be sent with a Direct Appointment Scheduling link and instructions to make a flu vaccine appointment.

Intervention type: BEHAVIORAL
Group type: ACTIVE_COMPARATOR
Intervention: Text Fixed R/R Messages with Direct Appointment Schedule Link
Description: Participants in this arm will receive up to 3 R/R messages by text. R/R message will be sent with a Direct Appointment Scheduling link and instructions to make a flu vaccine appointment.

Intervention type: BEHAVIORAL
Group type: ACTIVE_COMPARATOR
Intervention: Text Pre-Appointment Reminder
Description: Participants will receive a Pre-Appointment Reminder via text when they schedule a visit during the study period.

Intervention type: BEHAVIORAL
Group type: ACTIVE_COMPARATOR
Intervention: Portal Pre-Commitment Prompt with Tailored R/R Messages with Direct Appointment Schedule Link
Description: Participants in this arm will receive a pre-commitment prompt message by portal in September. Tailored R/R messages will be sent monthly by portal based on time and place selected by patients (up to 3). R/R message will be sent with a Direct Appointment Scheduling link and instructions to make a flu vaccine appointment.

Intervention type: BEHAVIORAL
Group type: ACTIVE_COMPARATOR
Intervention: Portal Pre-Commitment Prompt with Tailored R/R Messages with Direct Appointment Schedule Link
Description: Participants in this arm will receive a pre-commitment prompt message by portal in September. Tailored R/R messages will be sent monthly by portal based on time and place selected by patients (up to 3). R/R message will be sent with a Direct Appointment Scheduling link and instructions to make a flu vaccine appointment.

Intervention type: BEHAVIORAL
Group type: ACTIVE_COMPARATOR
Intervention: Portal Fixed R/R Messages with Direct Appointment Schedule Link
Description: Participants in this arm will receive up to 3 R/R messages by portal. R/R message will be sent with a Direct Appointment Scheduling link and instructions to make a flu vaccine appointment.

Intervention type: BEHAVIORAL
Group type: ACTIVE_COMPARATOR
Intervention: Portal Fixed R/R Messages with Direct Appointment Schedule Link
Description: Participants in this arm will receive up to 3 R/R messages by portal. R/R message will be sent with a Direct Appointment Scheduling link and instructions to make a flu vaccine appointment.

Intervention type: BEHAVIORAL
Group type: ACTIVE_COMPARATOR
Intervention: Portal Pre-Appointment Reminder
Description: Participants will receive a Pre-Appointment Reminder advising them to ask their doctor for the flu vaccine at their upcoming appointment via portal when they schedule a visit during the study period.

Intervention type: BEHAVIORAL
Group type: ACTIVE_COMPARATOR
Intervention: Portal Pre-Appointment Reminder
Description: Participants will receive a Pre-Appointment Reminder advising them to ask their doctor for the flu vaccine at their upcoming appointment via portal when they schedule a visit during the study period.