The effects of a nurse case manager and a community health worker team on diabetic control, emergency department visits, and hospitalizations among urban African Americans with type 2 diabetes mellitus: A randomized controlled trial

Tiffany L. Gary, Marian Batts-Turner, Hsin Chieh Yeh, Felicia Hill-Briggs, Lee R. Bone, Nae Yuh Wang, David M. Levine, Neil R. Powe, Christopher D. Saudek, Martha N. Hill, Maura McGuire, Frederick L. Brancati

Research output: Contribution to journalArticlepeer-review

118 Scopus citations

Abstract

Background: Although African American adults bear a disproportionate burden from diabetes mellitus (DM), few randomized controlled trials have tested culturally appropriate interventions to improve DM care. Methods: We randomly assigned 542 African Americans with type 2 DM enrolled in an urban managed care organization to either an intensive or minimal intervention group. The intensive intervention group consisted of all components of the minimal intervention plus individualized, culturally tailored care provided by a nurse case manager( NCM)and a community health worker (CHW), using evidence-basedclinical algorithmswithfeedbacktoprimary care providers (eg, physicians, nurse practitioners, or physician assistants). The minimal intervention consisted of mailingsandtelephone calls every6monthsto remind participants about preventive screenings. Dataondiabetic control were collected at baseline and at 24 months by blind observers; data emergency department (ER) visits and hospitalizations were assessed using administrative data. Results: At baseline, participants had a mean age of 58 years, 73% were women, and 50% were living in poverty. At 24 months, compared with the minimal intervention group, those in the intensive intervention group were 23% less likely to have ER visits (rate difference [RD], -14.5; adjusted rate ratio [RR], 0.77; 95% confidence interval [CI], 0.59-1.00). In on-treatment analyses, the rate reduction was strongest for patients who received the most NCMandCHWvisits (RD, -31.0; adjusted RR, 0.66; 95% CI, 0.43-1.00; rate reduction ↓ 34%). Conclusion: These data suggest that a culturally tailored intervention conducted by an NCM/CHW team reduced ER visits in urban African Americans with type 2 DM. Trial Registration: clinicaltrials.gov Identifier: NCT00022750.

Original languageEnglish (US)
Pages (from-to)1788-1794
Number of pages7
JournalArchives of internal medicine
Volume169
Issue number19
DOIs
StatePublished - Oct 26 2009

ASJC Scopus subject areas

  • Internal Medicine

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