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How Different Mixed-Mode Data Collection Approaches Impact Response Rates and Provision of Biomeasure Samples.

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The web-first survey design effectively increases survey response rates but is less successful in collecting biomeasures. Researchers must balance survey completion with objective health data collection in study design.

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Area of Science:

  • Health Sciences
  • Social Sciences
  • Survey Methodology

Background:

  • Integrating objective health measures into social surveys enhances research potential.
  • Longitudinal studies benefit from combined survey and biomeasure data.
  • Optimizing data collection methods is crucial for comprehensive research outcomes.

Purpose of the Study:

  • To experimentally compare three distinct designs for collecting survey responses and biomeasures.
  • To evaluate the impact of different survey designs on both survey participation and biomeasure collection.
  • To identify the most effective design strategy for maximizing both survey and biomeasure data acquisition.

Main Methods:

  • Three experimental designs were tested: nurse-administered, interviewer-first, and web-first.
  • Intention-to-treat analysis was used to assess the impact of allocated design on outcomes.
  • Observed consent for biomeasures was analyzed by realized mode, survey factors, and respondent characteristics.

Main Results:

  • The web-first design significantly improved survey response rates compared to other methods.
  • In-person designs (nurse-administered and interviewer-first) showed no significant difference in survey response.
  • The web-first approach was the least effective for obtaining biomeasure samples.

Conclusions:

  • A clear trade-off exists between maximizing survey response and biomeasure collection rates based on design.
  • Future longitudinal studies should carefully consider this design trade-off when integrating health measures.
  • Tailoring survey and biomeasure collection strategies is essential for successful mixed-methods research.