Messaging Strategies to Reduce Breast Cancer Over-screening in Older Women

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

4173 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-05-12

Study Completion Date

2023-06-19

Brief Summary

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This is an online survey experiment with data collection over 2 time points two weeks apart. This is Aim 2 of a three-aim R01 project; overall project goal is to better understand how messages from different sources interact to affect older women's breast cancer screening decisions. In this current project, the investigators propose to test the effect of combined exposure to a clinician message + a message from another source (i.e. family/friend or media) on older women's breast cancer screening beliefs, attitudes, and intentions.

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Detailed Description

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In a two-wave national online survey experiment, the investigators will randomly assign 3,000 women 65 years or older without personal history of breast cancer to 6 groups, including two control groups and four experimental groups. The experimental groups will read a message at Time 1 (T1) that may be from either family/friend or the media followed by a second message from a clinician one to two weeks later at Time 2 (T2).

The clinician message will be directed at reducing over-screening, mentioning the harms of over-screening and supporting screening cessation. The investigators will systematically vary the non-clinician message to be either consistent with the clinician message (also mentions harms of over-screening and supports screening cessation) or conflicting (mentions benefits of screening, supports continued screening and opposes screening cessation). The investigators include a no-exposure control group (Group 1) where the participants read no message at either time point and will only be asked the assessment questions. The investigators also include a single exposure group that reads only the clinician message (Group 2).

Conditions

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Breast Cancer Screening

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

HEALTH_SERVICES_RESEARCH

Blinding Strategy

SINGLE

Participants

Participants will be randomly assigned to one of six study groups

Study Groups

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Group 1 - control (no exposure)

No message at T1 or T2.

Group Type NO_INTERVENTION

No interventions assigned to this group

Group 2 - control (single exposure)

Single clinician message at T1 aimed at reducing over-screening. No message at T2.

Group Type OTHER