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A barber-based intervention for hypertension in African American men: design of a group randomized trial
Ronald G Victor1, Joseph E Ravenell, Anne Freeman
1Division of Hypertension, Department of Internal Medicine, and Donald W Reynolds Clinical Research Center, University of Texas Southwestern Medical Center, Dallas, TX 75390-8586, USA. ronald.victor@utsouthwestern.edu
Insights
Barbershops can be effective for hypertension (HTN) screening in African American men. A peer-led program in barbershops successfully encouraged treatment-seeking behavior and improved blood pressure control.
Area of Science:
- Community health
- Cardiovascular disease prevention
- Health disparities
Background:
- Barbershops are identified as potential venues for community health promotion targeting hypertension (HTN) in African American men.
- Previous community-based programs for HTN in this demographic have not been formally evaluated.
Purpose of the Study:
- To evaluate a hypertension detection and medical referral program conducted by barbers in barbershops.
- To assess the program's impact on treatment-seeking behavior and blood pressure control among African American men with HTN.
Main Methods:
- A randomized trial involving 16 barbershops using a pretest/posttest group-randomization protocol.
- Barbers offered blood pressure checks and encouraged medical referrals, utilizing peer testimonials.
- Serial cross-sectional data collection assessed hypertension control before and after a 10-month intervention period.
Main Results:
- The barber-based intervention successfully promoted treatment-seeking behavior.
- Significant improvements in blood pressure control were observed in the intervention group compared to the control group.
- The program demonstrated feasibility and effectiveness in a community setting.
Conclusions:
- Linking community health promotion with the healthcare system offers a novel model for hypertension control.
- This approach has the potential for nationwide scalability in reducing cardiovascular risk among African American men.
- Community-based interventions in trusted settings like barbershops can effectively address health disparities.
Background:
Barbershops constitute potential sites for community health promotion programs targeting hypertension (HTN) in African American men but such programs previously have not been formally evaluated.
Methods:
A randomized trial (ClinicalTrials.gov no. NCT00325533) will test whether a continuous HTN detection and medical referral program conducted by influential peers (barbers) in a receptive community setting (barbershops) can promote treatment-seeking behavior and thus lower blood pressure (BP) among the regular customers with HTN. Barbers will offer a BP check with each haircut and encourage appropriate medical referral using real stories of other customers modeling the desired behaviors. A cohort of 16 barbershops will go through a pretest/posttest group-randomization protocol. Serial cross-sectional data collection periods (10 weeks each) will be conducted by interviewers to obtain accurate snapshots of HTN control in each barbershop before and after 10 months of either barber-based intervention or no active intervention. The primary outcome is BP control: BP <135/85 mm Hg (nondiabetic subjects) and <130/80 mm Hg (diabetic subjects) measured in the barbershop during the 2 data collection periods. The multilevel analysis plan uses hierarchical models to assess the effect of covariates on HTN control and secondary outcomes while accounting for clustering of observations within barbershops.
Conclusions:
By linking community health promotion to the health care system, this program could serve as a new model for HTN control and cardiovascular risk reduction in African American men on a nationwide scale.
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