Comparison of early-, late-, and non-participants in a school-based asthma management program for urban high school students

Comparison of early-, late-, and non-participants in a school-based asthma management program for urban high school students

<p>Abstract</p> <p>Background</p> <p>To assess bias and generalizability of results in randomized controlled trials (RCT), investigators compare participants to non-participants or early- to late-participants. Comparisons can also inform the recruitment approach, especi...

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Bibliographic Details
Main Authors: Alexander Gwen, Peterson Edward L, Johnson Dayna, Johnson Christine C, Havstad Suzanne L, Saltzgaber Jacquelyn, Joseph Christine LM, Couper Mick P, Ownby Dennis R
Format: Article
Language:English
Published: BMC 2011-06-01
Series:Trials
Online Access:http://www.trialsjournal.com/content/12/1/141

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http://www.trialsjournal.com/content/12/1/141

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