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Does analysis using "last observation carried forward" introduce bias in dementia research?

Overview of attention for article published in CMAJ, September 2008
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About this Attention Score

  • In the top 25% of all research outputs scored by Altmetric
  • High Attention Score compared to outputs of the same age (93rd percentile)
  • Good Attention Score compared to outputs of the same age and source (76th percentile)

Mentioned by

blogs
2 blogs
twitter
9 tweeters
wikipedia
2 Wikipedia pages

Citations

dimensions_citation
73 Dimensions

Readers on

mendeley
88 Mendeley
citeulike
2 CiteULike
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Title
Does analysis using "last observation carried forward" introduce bias in dementia research?
Published in
CMAJ, September 2008
DOI 10.1503/cmaj.080820
Pubmed ID
Authors

F. J. Molnar, B. Hutton, D. Fergusson

Twitter Demographics

The data shown below were collected from the profiles of 9 tweeters who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 88 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United Kingdom 1 1%
Germany 1 1%
Unknown 86 98%

Demographic breakdown

Readers by professional status Count As %
Researcher 15 17%
Student > Master 14 16%
Student > Ph. D. Student 13 15%
Student > Doctoral Student 9 10%
Student > Bachelor 8 9%
Other 23 26%
Unknown 6 7%
Readers by discipline Count As %
Medicine and Dentistry 31 35%
Psychology 11 13%
Agricultural and Biological Sciences 7 8%
Engineering 4 5%
Neuroscience 4 5%
Other 23 26%
Unknown 8 9%

Attention Score in Context

This research output has an Altmetric Attention Score of 24. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 06 September 2019.
All research outputs
#764,652
of 14,443,874 outputs
Outputs from CMAJ
#1,150
of 6,584 outputs
Outputs of similar age
#11,765
of 190,715 outputs
Outputs of similar age from CMAJ
#21
of 89 outputs
Altmetric has tracked 14,443,874 research outputs across all sources so far. Compared to these this one has done particularly well and is in the 94th percentile: it's in the top 10% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 6,584 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 25.3. This one has done well, scoring higher than 82% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 190,715 tracked outputs that were published within six weeks on either side of this one in any source. This one has done particularly well, scoring higher than 93% of its contemporaries.
We're also able to compare this research output to 89 others from the same source and published within six weeks on either side of this one. This one has done well, scoring higher than 76% of its contemporaries.