Implementing a Digital Alcohol Intervention to Raise Women's Awareness of Alcohol-related Breast Cancer Risk During Routine Screening Visits

Primary outcomes

1. Recruitment Rate

   Time frame: During the recruitment period

   Percentage of eligible participants approached for participation who provide informed consent and enroll in the study. Recruitment feasibility will be considered achieved if at least 70% of eligible participants approached enroll in the study.

2. Retention Rate

   Time frame: 3-month follow-up

   Percentage of enrolled participants who complete the 3-month follow-up assessment. Retention feasibility will be considered achieved if at least 75% of enrolled participants complete the 3-month follow-up assessment.

3. Intervention Completion

   Time frame: Over the 3-month intervention period

   Percentage of enrolled participants who complete all core intervention modules. Intervention feasibility will be considered achieved if at least 70% of enrolled participants complete the core intervention modules.

4. System Usability Scale (SUS) Score

   Time frame: 3-month follow-up

   Participant-reported usability of the intervention as assessed using the System Usability Scale (SUS), a 10-item questionnaire with total scores ranging from 0 to 100. Higher scores indicate greater perceived usability. Acceptability will be considered satisfactory if the mean SUS score is at least 70.

5. Participants Rating the Intervention as Helpful or Very Helpful

   Time frame: 3-month follow-up

   Percentage of participants who rate the intervention as "helpful" or "very helpful" on a participant satisfaction assessment. Acceptability will be considered satisfactory if at least 80% of participants rate the intervention as helpful or very helpful.