Outcome reporting bias
Conditions
Interventions
None listed
Sponsors
Oklahoma State University Center for Health Sciences
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Studies including: 1.RCTs 2.RCTs that utilize a crossover method 3.Follow-up on previously performed RCTs that are analyzing different primary outcomes at a later time point. that were published in the journals: Obesity (Silver Spring-MD), International Journal of Obesity, Obesity Reviews, Diabetics, Obesity and Metabolism between January 1, 2010 and December 31, 2015.
Exclusion criteria
Exclusion criteria: All other study designs were excluded including: 1. Observational studies (including cohort, case-control, and cross sectional) 2. Meta-analyses 3. Ongoing studies 4. Commentary or discussion pieces 5. Articles with only a title or lacking an abstract 6. Simulation-based studies 7. Animal/ in vitro studies 8. Retracted studies
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Are there discrepancies between reported primary and secondary outcomes in registered and published randomized controlled trials in high impact journals from 2010-2015? | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Are there discrepancies favoring statistically significant outcomes? 2. Are there any correlations between funding source and likelihood of outcome reporting bias? 3. Are there temporal trends in outcome reporting bias? | — |
Countries
North America
Contacts
Public ContactJustin Rankin
Oklahoma State University Center for Health Sciences College of Osteopathic Medicine
Outcome results
None listed