Measuring Sensitivity to Nonignorability
2 other identifiers
observational
N/A
0 countries
N/A
Brief Summary
To develop a new statistical index that measures sensitivity to non-ignorability (index of sensitivity to nonignorability, or ISNI) for model-based inferences.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
Started Sep 2001
Longer than P75 for all trials
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
September 1, 2001
CompletedFirst Submitted
Initial submission to the registry
May 16, 2002
CompletedFirst Posted
Study publicly available on registry
May 17, 2002
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 1, 2005
CompletedStudy Completion
Last participant's last visit for all outcomes
August 1, 2005
CompletedJuly 29, 2016
January 1, 2008
3.9 years
May 16, 2002
July 28, 2016
Conditions
Eligibility Criteria
Contact the study team to discuss eligibility requirements. They can help determine if this study is right for you.
Sponsors & Collaborators
Related Publications (1)
Ma G, Troxel AB, Heitjan DF. An index of local sensitivity to nonignorable drop-out in longitudinal modelling. Stat Med. 2005 Jul 30;24(14):2129-50. doi: 10.1002/sim.2107.
PMID: 15909292BACKGROUND
MeSH Terms
Conditions
Study Officials
Daniel Heitjan
Columbia University Health Sciences
Study Design
- Study Type
- observational
- Sponsor Type
- NIH
Study Record Dates
First Submitted
May 16, 2002
First Posted
May 17, 2002
Study Start
September 1, 2001
Primary Completion
August 1, 2005
Study Completion
August 1, 2005
Last Updated
July 29, 2016
Record last verified: 2008-01