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J Gen Intern Med. 2005 May;20(5):438-43.

Recruiting ethnically diverse general internal medicine patients for a telephone survey on physician-patient communication.

Author information

  • 1Center for Aging in Diverse Communities, Medical Effectiveness Research Center for Diverse Populations, Division of General Internal Medicine, University of California, San Francisco, CA 94118-1944, USA. ans@medicine.ucsf.edu <ans@medicine.ucsf.edu>

Abstract

BACKGROUND:

Limited evidence exists on the effectiveness of recruitment methods among diverse populations.

OBJECTIVE:

Describe response rates by recruitment stage, ethnic-language group, and type of initial contact letter (for African-American and Latino patients).

DESIGN:

Tracking of response status by recruitment stage and ethnic-language group and a randomized trial of ethnically tailored initial letters nested within a cross-sectional telephone survey on physician-patient communication.

PARTICIPANTS:

Adult general medicine patients with >or=1 visit during the preceding year, stratified by 4 categories: African-American (N= 1,400), English-speaking Latino (N= 894), Spanish-speaking Latino (N= 965), and non-Latino white (N= 1,400).

MEASUREMENTS AND RESULTS:

Ethnically tailored initial letters referred to shortages of African-American (or Latino) physicians and the need to learn about the experiences of African-American (or Latino) patients communicating with physicians. Of 2,482 patients contacted, eligible, and able to participate (identified eligibles), 69.9% completed the survey. Thirty-nine percent of the sampling frame was unable to be contacted, with losses higher among non-Latino whites (46.5%) and African Americans (44.2%) than among English-speaking (32.3%) and Spanish-speaking Latinos (25.1%). For identified eligibles, response rates were highest among Spanish-speaking Latinos (75.2%), lowest for non-Latino whites (66.4%), and intermediate for African Americans (69.7%) and English-speaking Latinos (68.1%). There were no differences in overall response rates between patients receiving ethnically tailored letters (72.2%) and those receiving general letters (70.0%).

CONCLUSIONS:

Household contact and individual response rates differed by ethnic-language group, highlighting the importance of tracking losses by stage and subpopulation. Careful attention to recruitment yielded acceptable response rates among all groups.

PMID:
15963168
[PubMed - indexed for MEDLINE]
PMCID:
PMC1490122
Free PMC Article

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