Telephone-delivered behavioral intervention among blacks with sleep apnea and metabolic syndrome: study protocol for a randomized controlled trial

Natasha J Williams, Girardin Jean-Louis, Clinton D Brown, Samy I McFarlane, Carla Boutin-Foster, Gbenga Ogedegbe, Natasha J Williams, Girardin Jean-Louis, Clinton D Brown, Samy I McFarlane, Carla Boutin-Foster, Gbenga Ogedegbe

Abstract

Background: Lack of adherence to recommended treatment for obstructive sleep apnea remains an ongoing public health challenge. Despite evidence that continuous positive airway pressure (CPAP) is effective and improves overall quality of life, adherence with the use of CPAP in certain racial/ethnic groups, especially blacks, is suboptimal. Evidence indicates that the incidence and prevalence of obstructive sleep apnea are higher among blacks, relative to whites, and blacks are less likely to adhere to recommended treatment compared with other racial/ethnic groups.

Methods: Using a two-arm randomized controlled design, this study will evaluate the effectiveness of a culturally and linguistically tailored telephone-delivered intervention to promote adherence to physician-recommended sleep apnea assessment and treatment among blacks with metabolic syndrome, versus an attention-control arm. The intervention is designed to foster adherence to recommended sleep apnea care using the stages-of-change model. The intervention will be delivered entirely over the telephone. Participants in the intervention arm will receive 10 phone calls to address challenges and barriers to recommended care. Outcomes will be assessed at baseline, and at 6- and 12-months post-randomization.

Discussion: This tailored behavioral intervention will improve adherence to sleep apnea assessment and treatment among blacks with metabolic syndrome. We expect to demonstrate that this intervention modality is feasible in terms of time and cost and can be replicated in populations with similar racial/ethnic backgrounds.

Trial registration: The study is registered at clinicaltrials.gov NCT01946659 (February 2013).

Figures

Figure 1
Figure 1
Theoretical framework for the impact of telephone interventions on adherence to recommended sleep apnea assessment and treatment.
Figure 2
Figure 2
Depiction of flow of participants in the trial.

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