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Sampling in difficult to access refugee and immigrant communities.

Marline Spring1, Joseph Westermeyer, Linda Halcon

  • 1Division of Epidemiology, University of Minnesota, School of Public Health, 1300 South Second Street, Suite 300, Minneapolis, Minnesota 55454, USA.

The Journal of Nervous and Mental Disease
|December 13, 2003
PubMed
Summary
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This study on torture prevalence in refugee populations found that purposive sampling and trust-building activities effectively recruited participants. These methods ensured the sample accurately represented the population, yielding reliable data for epidemiologic research.

Area of Science:

  • Epidemiology
  • Public Health
  • Sociology

Background:

  • Difficult-to-reach populations, such as refugees, present unique challenges in epidemiologic research.
  • Accurate sampling and data collection are crucial for understanding health issues like torture prevalence.

Purpose of the Study:

  • To evaluate sampling strategies for recruiting hard-to-access refugee populations.
  • To assess the impact of trust-building activities on data collection in sensitive research.
  • To determine the representativeness of a sample obtained through non-random methods.

Main Methods:

  • Employed purposive sampling due to the absence of a complete sampling frame.
  • Implemented ethnographic trust and rapport-building activities with Somali and Oromo communities.

Related Experiment Videos

  • Conducted comparative and statistical analyses to validate sample representativeness.

    • Main Results:

    • No significant differences were found between the sample and the underlying refugee population.
    • Recruitment methods did not appear to influence study outcomes.
    • Trust-building activities were essential for obtaining sensitive data and overcoming data collection challenges.

    Conclusions:

    • Purposive sampling can yield representative samples in populations lacking complete sampling frames.
    • Establishing trust is paramount for successful research involving vulnerable groups and sensitive topics.
    • Effective community engagement is vital for robust epidemiologic studies in refugee populations.