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Following Up Nonrespondents to an Online Weight Management Intervention: Randomized Trial Comparing Mail versus Telephone
BACKGROUND: Attrition, or dropout, is a problem faced by many online health interventions, potentially threatening the inferential value of online randomized controlled trials. OBJECTIVE: In the context of a randomized controlled trial of an online weight management intervention, where 85% of the ba...
Autores principales: | Couper, Mick P, Peytchev, Andy, Strecher, Victor J, Rothert, Kendra, Anderson, Julia |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
Gunther Eysenbach
2007
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1913938/ https://www.ncbi.nlm.nih.gov/pubmed/17567564 http://dx.doi.org/10.2196/jmir.9.2.e16 |
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