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Dietary calcium intake and the risk of colorectal cancer: a case control study

Overview of attention for article published in BMC Cancer, December 2015
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Mentioned by

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2 tweeters

Citations

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13 Dimensions

Readers on

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50 Mendeley
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Title
Dietary calcium intake and the risk of colorectal cancer: a case control study
Published in
BMC Cancer, December 2015
DOI 10.1186/s12885-015-1963-9
Pubmed ID
Authors

Changwoo Han, Aesun Shin, Jeonghee Lee, Jeeyoo Lee, Ji Won Park, Jae Hwan Oh, Jeongseon Kim

Abstract

High intake of dietary calcium has been thought to be a protective factor against colorectal cancer. To explore the dose-response relationship in the associations between dietary calcium intake and colorectal cancer risk by cancer location, we conducted a case-control study among Korean population, whose dietary calcium intake levels are relatively low. The colorectal cancer cases and controls were recruited from the National Cancer Center in Korea between August 2010 and August 2013. Information on dietary calcium intake was assessed using a semi-quantitative food frequency questionnaire and locations of the colorectal cancers were classified as proximal colon cancer, distal colon cancer, and rectal cancer. Binary and polytomous logistic regression models were used to evaluate the association between dietary calcium intake and risk of colorectal cancer. A total of 922 colorectal cancer cases and 2766 controls were included in the final analysis. Compared with the lowest calcium intake quartile, the highest quartile group showed a significantly reduced risk of colorectal cancer in both men and women. (Odds ratio (OR): 0.16, 95 % confidence interval (CI): 0.11-0.24 for men; OR: 0.16, 95 % CI: 0.09-0.29 for women). Among the highest calcium intake groups, decrease in cancer risk was observed across all sub-sites of colorectum in both men and women. In conclusion, calcium consumption was inversely related to colorectal cancer risk in Korean population where national average calcium intake level is relatively lower than Western countries. A decreased risk of colorectal cancer by calcium intake was observed in all sub-sites in men and women.

Twitter Demographics

The data shown below were collected from the profiles of 2 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 50 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 50 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 14 28%
Student > Ph. D. Student 8 16%
Student > Master 7 14%
Student > Postgraduate 4 8%
Researcher 3 6%
Other 4 8%
Unknown 10 20%
Readers by discipline Count As %
Medicine and Dentistry 13 26%
Nursing and Health Professions 9 18%
Biochemistry, Genetics and Molecular Biology 7 14%
Agricultural and Biological Sciences 4 8%
Immunology and Microbiology 1 2%
Other 5 10%
Unknown 11 22%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. 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 30 October 2020.
All research outputs
#12,428,726
of 16,300,254 outputs
Outputs from BMC Cancer
#3,523
of 6,030 outputs
Outputs of similar age
#235,543
of 369,727 outputs
Outputs of similar age from BMC Cancer
#433
of 765 outputs
Altmetric has tracked 16,300,254 research outputs across all sources so far. This one is in the 20th percentile – i.e., 20% of other outputs scored the same or lower than it.
So far Altmetric has tracked 6,030 research outputs from this source. They receive a mean Attention Score of 4.1. This one is in the 35th percentile – i.e., 35% of its peers scored the same or lower than it.
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 369,727 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 31st percentile – i.e., 31% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 765 others from the same source and published within six weeks on either side of this one. This one is in the 31st percentile – i.e., 31% of its contemporaries scored the same or lower than it.