Abstract：
OBJECTIVES:To determine whether the ability to walk 400 m could be predicted from self-reported walking habits and abilities in older adults and to develop an accurate self-report measure appropriate for observational trials of mobility when functional measures are impractical to collect. DESIGN:Cross-sectional. SETTING:University-based human physiology laboratory. PARTICIPANTS:One hundred fifty community-dwelling older men and women (mean age+/-standard error= 79.8+/-0.3). MEASUREMENTS:An 18-item questionnaire assessing walking habits and ability was administered to each participant, followed by a 400-m walk test. Ninety-eight (65%) volunteers were able to complete the 400-m walk; 52 (35%) were unable. Logistic regression was performed using response items from a questionnaire as predictors and 400-m walk as the outcome. RESULTS:Three questions (Do you think you could walk one-quarter of a mile now without sitting down to rest. Because of a health or physical problem, do you have difficulty walking 1 mile? Could you walk up and down every aisle of a grocery store without sitting down to rest or leaning on a cart?) were predictive of 400-m walking ability and were included in the model. If participants answered all three questions compatible with the inability to walk 400 m, there was a 91% probability that they were unable to walk 400 m, with a sensitivity of 46% and a specificity of 97%. CONCLUSION:A three-item self-report developed in the study was able to accurately predict mobility disability. The utility of this instrument may be in evaluating self-reported mobility in large observational trials on mobility when functional mobility tasks are impractical to collect.
journal_name
J Am Geriatr Socjournal_title
Journal of the American Geriatrics Societyauthors
Sayers SP,Brach JS,Newman AB,Heeren TC,Guralnik JM,Fielding RAdoi
10.1111/j.1532-5415.2004.52571.xsubject
Has Abstractpub_date
2004-12-01 00:00:00pages
2099-103issue
12eissn
0002-8614issn
1532-5415pii
JGS52571journal_volume
52pub_type
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journal_title：Journal of the American Geriatrics Society
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journal_title：Journal of the American Geriatrics Society
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更新日期：1997-08-01 00:00:00
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更新日期：2018-02-01 00:00:00
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更新日期：2007-10-01 00:00:00
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journal_title：Journal of the American Geriatrics Society
pub_type： 临床试验,杂志文章,随机对照试验
doi：10.1111/j.1532-5415.2004.52411.x
更新日期：2004-09-01 00:00:00
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pub_type： 杂志文章
doi：10.1111/jgs.15563
更新日期：2019-01-01 00:00:00
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更新日期：1978-03-01 00:00:00
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pub_type： 杂志文章
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更新日期：2020-11-12 00:00:00
