# Comparative Tests of Flu Vaccination Phone Messages

> **NCT03332992** · NA · COMPLETED · sponsor: **University of Michigan** · enrollment: 7206 (actual)

## Conditions studied

- Influenza, Human

## Interventions

- **BEHAVIORAL:** Viral changes
- **BEHAVIORAL:** Protect others
- **BEHAVIORAL:** General intentions
- **BEHAVIORAL:** Behavioral intentions
- **BEHAVIORAL:** Accountability

## Key facts

- **NCT ID:** NCT03332992
- **Lead sponsor:** University of Michigan
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2017-11-11
- **Primary completion:** 2018-04-30
- **Final completion:** 2018-04-30
- **Target enrollment:** 7206 (ACTUAL)
- **Last updated:** 2018-05-15

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03332992

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03332992, "Comparative Tests of Flu Vaccination Phone Messages". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT03332992. Licensed CC0.

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