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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 (77th percentile)

Mentioned by

blogs
2 blogs
twitter
9 tweeters
wikipedia
2 Wikipedia pages

Citations

dimensions_citation
70 Dimensions

Readers on

mendeley
82 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 82 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 80 98%

Demographic breakdown

Readers by professional status Count As %
Student > Master 14 17%
Researcher 13 16%
Student > Ph. D. Student 11 13%
Student > Doctoral Student 9 11%
Student > Bachelor 8 10%
Other 21 26%
Unknown 6 7%
Readers by discipline Count As %
Medicine and Dentistry 30 37%
Psychology 10 12%
Agricultural and Biological Sciences 7 9%
Engineering 4 5%
Neuroscience 4 5%
Other 19 23%
Unknown 8 10%

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
#722,638
of 13,982,034 outputs
Outputs from CMAJ
#1,097
of 6,411 outputs
Outputs of similar age
#11,589
of 190,071 outputs
Outputs of similar age from CMAJ
#20
of 89 outputs
Altmetric has tracked 13,982,034 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 6,411 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 24.8. 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 190,071 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 77% of its contemporaries.