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Comparing effects: a reanalysis of two studies on season of birth bias in anorexia nervosa

Overview of attention for article published in Journal of Eating Disorders, January 2017
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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 (87th percentile)
  • Above-average Attention Score compared to outputs of the same age and source (54th percentile)

Mentioned by

blogs
1 blog
twitter
8 X users
googleplus
1 Google+ user

Readers on

mendeley
11 Mendeley
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Title
Comparing effects: a reanalysis of two studies on season of birth bias in anorexia nervosa
Published in
Journal of Eating Disorders, January 2017
DOI 10.1186/s40337-016-0131-1
Pubmed ID
Authors

Eirin Winje, Anne-Kari Torgalsbøen, Cathrine Brunborg, Kristin Stedal

Abstract

Outcomes from studies on season of birth bias in eating disorders have been inconsistent. This inconsistency has been explained by differences in methodologies resulting in different types of effect sizes. The aim of the current study was to facilitate comparison by using the same methodology on samples from two studies with differing conclusions. The statistical analyses used in each study were applied to the samples from the other study and the resulting effect sizes, Cramêr's V and odds ratio (OR), were compared and discussed. For both studies, the Cramêr's Vs ranged between 0.03 and 0.08 and the OR ranged between 0.85 and 1.31. According to common conventions, Cramêr's Vs below 0.10 and ORs below 1.44 are considered small. As a marker of one or more potential risk factors, the observed effects are considered to be small. When reanalysed allowing for direct comparisons, studies with contrasting conclusions converge towards an absence of support for a season of birth bias for patients with AN.

X Demographics

X Demographics

The data shown below were collected from the profiles of 8 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 11 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 11 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 2 18%
Student > Master 2 18%
Professor > Associate Professor 2 18%
Researcher 2 18%
Student > Ph. D. Student 1 9%
Other 2 18%
Readers by discipline Count As %
Psychology 5 45%
Medicine and Dentistry 3 27%
Nursing and Health Professions 1 9%
Agricultural and Biological Sciences 1 9%
Mathematics 1 9%
Other 0 0%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 13. 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 03 July 2017.
All research outputs
#2,452,726
of 22,931,367 outputs
Outputs from Journal of Eating Disorders
#225
of 799 outputs
Outputs of similar age
#52,981
of 421,506 outputs
Outputs of similar age from Journal of Eating Disorders
#5
of 11 outputs
Altmetric has tracked 22,931,367 research outputs across all sources so far. Compared to these this one has done well and is in the 89th percentile: it's in the top 25% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 799 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 16.0. This one has gotten more attention than average, scoring higher than 71% 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 421,506 tracked outputs that were published within six weeks on either side of this one in any source. This one has done well, scoring higher than 87% of its contemporaries.
We're also able to compare this research output to 11 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 54% of its contemporaries.