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About this Attention Score

  • In the top 5% of all research outputs scored by Altmetric
  • High Attention Score compared to outputs of the same age (99th percentile)
  • High Attention Score compared to outputs of the same age and source (97th percentile)

Mentioned by

news
9 news outlets
blogs
3 blogs
policy
4 policy sources
twitter
46 X users
facebook
17 Facebook pages
wikipedia
7 Wikipedia pages
googleplus
2 Google+ users
reddit
6 Redditors
video
1 YouTube creator

Readers on

mendeley
625 Mendeley
citeulike
1 CiteULike
connotea
1 Connotea
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Article details
Title
Vitamin A supplements for preventing mortality, illness, and blindness in children aged under 5: systematic review and meta-analysis
Published in
British Medical Journal, August 2011
DOI 10.1136/bmj.d5094
Pubmed ID
Authors
Abstract

To determine if vitamin A supplementation is associated with reductions in mortality and morbidity in children aged 6 months to 5 years.

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Timeline Attention over time Attention Score history
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Activity
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X Demographics

X Demographics

The data shown below were collected from the profiles of 46 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley demographics

Mendeley demographics

The data shown below were compiled from readership statistics for 625 Mendeley readers of this research output. Click here to see the associated Mendeley record.
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Geographical breakdown

Geographical breakdown
Country Count As %
United Kingdom 5 <1%
United States 4 <1%
Kenya 2 <1%
Netherlands 1 <1%
Nigeria 1 <1%
Mexico 1 <1%
Japan 1 <1%
Colombia 1 <1%
Canada 1 <1%
Other 1 <1%
Unknown 607 97%

Demographic breakdown

Readers by professional status
Readers by professional status Count As %
Student > Master 107 17%
Student > Bachelor 85 14%
Researcher 71 11%
Student > Ph. D. Student 48 8%
Student > Postgraduate 37 6%
Other 107 17%
Unknown 170 27%
Readers by discipline
Readers by discipline Count As %
Medicine and Dentistry 174 28%
Agricultural and Biological Sciences 76 12%
Nursing and Health Professions 67 11%
Social Sciences 20 3%
Biochemistry, Genetics and Molecular Biology 17 3%
Other 71 11%
Unknown 200 32%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 135. 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 April 2026.
All research outputs
#387,192
of 34,359,530 outputs
Outputs from British Medical Journal
#4,011
of 75,519 outputs
Outputs of similar age
#1,251
of 172,116 outputs
Outputs of similar age from British Medical Journal
#16
of 646 outputs
Altmetric has tracked 34,359,530 research outputs across all sources so far. Compared to these this one has done particularly well and is in the 98th percentile: it's in the top 5% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 75,519 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 40.5. This one has done particularly well, scoring higher than 94% 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 172,116 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 99% of its contemporaries.
We're also able to compare this research output to 646 others from the same source and published within six weeks on either side of this one. This one has done particularly well, scoring higher than 97% of its contemporaries.