Report for: Frequency of Adverse Events in the Placebo Arms of COVID-19 Vaccine Trials

Title	Frequency of Adverse Events in the Placebo Arms of COVID-19 Vaccine Trials
Published in	JAMA Network Open, January 2022
DOI	10.1001/jamanetworkopen.2021.43955
Pubmed ID	35040967
Authors	Julia W. Haas, Friederike L. Bender, Sarah Ballou, John M. Kelley, Marcel Wilhelm, Franklin G. Miller, Winfried Rief, Ted J. Kaptchuk

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Twitter Demographics

The data shown below were collected from the profiles of 2,427 tweeters who shared this research output. Click here to find out more about how the information was compiled.

Geographical breakdown

Country	Count	As %
United States	221	9%
Japan	175	7%
United Kingdom	96	4%
Canada	73	3%
Germany	55	2%
France	52	2%
Spain	52	2%
Australia	27	1%
Korea, Republic of	23	<1%
Other	303	12%
Unknown	1350	56%

Demographic breakdown

Type	Count	As %
Members of the public	2088	86%
Scientists	195	8%
Practitioners (doctors, other healthcare professionals)	111	5%
Science communicators (journalists, bloggers, editors)	30	1%
Unknown	3	<1%

Mendeley readers

The data shown below were compiled from readership statistics for 144 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country	Count	As %
Unknown	144	100%

Demographic breakdown

Readers by professional status	Count	As %
Researcher	28	19%
Student > Master	13	9%
Other	12	8%
Student > Bachelor	12	8%
Student > Ph. D. Student	9	6%
Other	26	18%
Unknown	44	31%

Readers by discipline	Count	As %
Medicine and Dentistry	32	22%
Psychology	13	9%
Neuroscience	9	6%
Nursing and Health Professions	7	5%
Agricultural and Biological Sciences	6	4%
Other	27	19%
Unknown	50	35%

Attention Score in Context

This research output has an Altmetric Attention Score of 3052. 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 04 June 2023.

All research outputs

#1,957

of 23,935,525 outputs

Outputs from JAMA Network Open

#22

of 7,995 outputs

Outputs of similar age

#118

of 514,822 outputs

Outputs of similar age from JAMA Network Open

of 512 outputs

Altmetric has tracked 23,935,525 research outputs across all sources so far. Compared to these this one has done particularly well and is in the 99th percentile: it's in the top 5% of all research outputs ever tracked by Altmetric.

So far Altmetric has tracked 7,995 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 130.3. This one has done particularly well, scoring higher than 99% 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 514,822 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 512 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 99% of its contemporaries.

Frequency of Adverse Events in the Placebo Arms of COVID-19 Vaccine Trials

About this Attention Score

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Readers on

Twitter Demographics

Geographical breakdown

Demographic breakdown

Mendeley readers

Geographical breakdown

Demographic breakdown

Attention Score in Context