Predicting complete loss to follow-up after a health-education program: number of absences and face-to-face contact with a researcher
<p>Abstract</p> <p>Background</p> <p>Research on health-education programs requires longitudinal data. Loss to follow-up can lead to imprecision and bias, and <it>complete </it>loss to follow-up is particularly damaging. If that loss is predictable, then eff...
Main Authors: | , , , , , , |
---|---|
Format: | Article |
Language: | English |
Published: |
BMC
2011-10-01
|
Series: | BMC Medical Research Methodology |
Online Access: | http://www.biomedcentral.com/1471-2288/11/145 |