Health & Biomedical Sciences Faculty Publications

Document Type

Article

Publication Date

2022

Abstract

Background: The objective of this randomized trial was to evaluate the short-term effect of bilingual written and interpersonal education regarding mammographic breast density (MBD).

Methods: Latinas aged 40 to 74 years who were presenting for screening mammography were recruited and randomized 1:1:1 to receive a letter with their mammogram and MBD results (usual care [UC]), a letter plus a brochure (enhanced care [ENH]), or a letter plus a brochure and telephonic promotora education (interpersonal care [INT]). Surveys were administered at enrollment (T0 ) and 2 weeks to 6 months after intervention delivery (T1 ). Differences were assessed with χ2 , Kruskal-Wallis, and McNemar tests and pairwise comparisons as appropriate. INT metrics and audio recordings were analyzed with descriptive statistics and qualitative content analysis.

Results: Between October 2016 and October 2019, 943 of 1108 Latina participants (85%) completed both surveys. At T1 , INT participants were more likely (P < .001) to report seeing their MBD results in the letter (70.2%) than UC (53.1%) or ENH participants (55.1%). The percentage of INT women who reported speaking with a provider about MBD (29.0%) was significantly greater (P < .001) than the percentage of UC (14.7%) or ENH participants (15.6%). All groups saw significant (P < .001) but nondifferential improvements in their knowledge of MBD as a masking and risk factor. In the INT group, the promotora delivered education to 77.1% of the 446 participants randomized to INT and answered questions at 28.3% of the encounters for an average of $4.70 per participant.

Conclusions: Among Latinas in a low-resource setting, MBD knowledge may increase with written or interpersonal education, but with modest investment, interpersonal education may better improve MBD awareness and prompt patient-provider discussions.

Trial registration: ClinicalTrials.gov NCT02910986.

Comments

Graduate Student Publication. 

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Publication Title

Cancer

DOI

10.1002/cncr.34017

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Public Health Commons

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