Interactive voice response surveys as a method for increasing the representativeness of rural respondents in a mortality mobile phone survey: Findings from Malawi
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View abstract on PubMed
Summary
This summary is machine-generated.Automated voice surveys effectively screen for rural participants in mobile phone surveys, improving response rates and reducing costs. Further refinements can enhance engagement and efficiency.
Area Of Science
- Public Health
- Survey Methodology
- Mobile Health
Background
- Mobile phone surveys are crucial for health research, but often underrepresent rural populations.
- Traditional screening methods can be costly and inefficient for identifying specific demographics.
Purpose Of The Study
- To evaluate the effectiveness and cost of using automated interactive voice response (IVR) surveys for screening rural respondents.
- To compare the outcomes of mortality surveys using IVR-screened versus unscreened numbers.
Main Methods
- A nationwide IVR survey was conducted in Malawi to identify rural mobile phone numbers.
- IVR-screened and randomly generated numbers were used in a subsequent mortality mobile phone survey.
- Call outcomes and completion rates were compared between the two groups.
Main Results
- 33.9% of IVR-surveyed numbers were identified as rural.
- IVR screening increased completed mortality surveys from 22.3% to 45.3% compared to unscreened numbers.
- The cost per completed mortality survey was lower with IVR screening ($17.4 vs. higher for unscreened), requiring fewer call attempts (6.3 vs. 12).
Conclusions
- Automated IVR surveys are a cost-effective tool for enhancing rural representation in mobile phone surveys.
- Optimizing IVR survey timing and call attempts can further improve respondent engagement.
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