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Comparison of alternative falls data collection methods in the Prevention of Falls Injury Trial (PreFIT)
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PreFIT Study Group (Including: Griffin, James M., Lall, Ranjit, Bruce, J. (Julie), Withers, Emma J., Finnegan, Susanne and Lamb, S. E. (Sallie E.)). (2018) Comparison of alternative falls data collection methods in the Prevention of Falls Injury Trial (PreFIT). Journal of Clinical Epidemiology, 106 . pp. 32-40. doi:10.1016/j.jclinepi.2018.09.006
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Official URL: https://doi.org/10.1016/j.jclinepi.2018.09.006
Abstract
Background and objectives:
Prospective, monthly diaries are recommended for collecting falls data but are burdensome and expensive. To compare characteristics of fallers and estimates of fall rates by method of data collection.
Study design and setting:
A methodology study nested within a large cluster RCT. We randomised 9803 older adults from 63 general practices across England to receive one of three fall prevention interventions. Participants provided a retrospective report of falls in postal questionnaires mailed every four months. A separate randomisation allocated participants to receive prospective monthly falls diaries for one simultaneous four month period.
Results:
Falls diaries were returned by 7762/9375 (83%); of which 6306/9375 (67%) participants reported the same number of falls on both data sources. Diary non-responders were older and had poorer levels of physical and mental health. Analysis of time-points where both data sources were available showed the falls rate on diaries was consistently higher than on the questionnaire (mean rate: 0.16 v 0.12 falls per person month observation). Diary allocation was associated with a higher rate of withdrawal from the main trial.
Conclusion:
Diary completion was associated with sample attrition. We found on average a 32% difference in falls rates between the two data sources. Retrospective and prospective falls data are not consistently reported when collected simultaneously. [Abstract copyright: Copyright © 2018. Published by Elsevier Inc.]
| Item Type: | Journal Article | ||||||||
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| Subjects: | R Medicine > R Medicine (General) | ||||||||
| Divisions: | Faculty of Medicine > Warwick Medical School > Health Sciences > Clinical Trials Unit Faculty of Medicine > Warwick Medical School > Health Sciences Faculty of Medicine > Warwick Medical School |
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| SWORD Depositor: | Library Publications Router | ||||||||
| Library of Congress Subject Headings (LCSH): | Falls (Accidents) -- Prevention -- Statistical methods, Falls (Accidents) in old age -- Statistical methods, Clinical trials, Databases -- Quality control | ||||||||
| Journal or Publication Title: | Journal of Clinical Epidemiology | ||||||||
| Publisher: | Elsevier Inc. | ||||||||
| ISSN: | 0895-4356 | ||||||||
| Official Date: | February 2018 | ||||||||
| Dates: |
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| Volume: | 106 | ||||||||
| Page Range: | pp. 32-40 | ||||||||
| DOI: | 10.1016/j.jclinepi.2018.09.006 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Publisher Statement: | ** From PubMed via Jisc Publications Router. ** History: received 29-05-2018; revised 28-08-2018; accepted 18-09-2018. | ||||||||
| Access rights to Published version: | Open Access | ||||||||
| RIOXX Funder/Project Grant: |
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