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Assessment of an Interactive Voice Response System for Identifying Falls in a Statewide Sample of Older Adults
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Dec 13 2014
Source: Prev Med. 2014; 0:31-36. -
Alternative Title:Prev Med
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Description:Objective
Interactive voice response systems (IVR) offer great advantages for data collection in large, geographically dispersed samples involving frequent contact. We assessed the quality of IVR data collected from older respondents participating in a statewide falls prevention program evaluation in Pennsylvania in 2010-12.
Method
Participants (n=1834) were followed monthly for up to 10 months to compare respondents who completed all, some, or no assessments in the IVR system. Validity was assessed by examining IVR-reported falls incidence relative to baseline in-person self-report and performance assessment of balance.
Results
While a third of the sample switched from IVR to in-person calls over follow-up, IVR interviews were successfully used to complete 68.1% of completed monthly assessments (10,511/15,430). Switching to in-person interviews was not associated with measures of participant function or cognition. Both self-reported (p < .0001) and performance assessment of balance (p = .05) at baseline were related to falls incidence.
Conclusion
IVR is a productive modality for falls research among older adults. Future research should establish what level of initial personal research contact is optimal for boosting IVR completion rates and what research domains are most appropriate for this kind of contact.
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Pubmed ID:25514548
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Pubmed Central ID:PMC4329041
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