Factors affecting sample selection in a randomized trial of balance enhancement: the FICSIT Study.

Abstract:

OBJECTIVE:To determine demographic, functional, and health-related factors that may have influenced the selection of older adults for a randomized trial of balance enhancement. DESIGN:Comparison of participants with nonparticipants at various stages of the recruiting process. SETTING:Northeastern suburban community. PARTICIPANTS:Registered voters aged 75 and older (n = 7191). MEASUREMENTS:Demographic, health-related, functional, balance, gait, and falling characteristics. RESULTS:The overall participation rate in the randomized trial was 1.5%. Compared with nonparticipants, participants were significantly more likely to be male, married, living with others, living in a house, highly educated, healthy, and physically active. CONCLUSION:Recruiting older subjects by mail to studies of rigorous interventions can produce significant selection biases that may limit the population to which results can be generalized.

journal_name

J Am Geriatr Soc

authors

Pacala JT,Judge JO,Boult C

doi

10.1111/j.1532-5415.1996.tb06405.x

subject

Has Abstract

pub_date

1996-04-01 00:00:00

pages

377-82

issue

4

eissn

0002-8614

issn

1532-5415

journal_volume

44

pub_type

临床试验,杂志文章,多中心研究,随机对照试验
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    pub_type: 杂志文章

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    pub_type: 杂志文章

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