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词汇 prevalence
释义 prevalence
noun[ U ]
uk /ˈprev.əl.əns/ us /ˈprev.əl.əns/
the fact that something is very common or happens often: 流行,盛行;普遍,广泛
the prevalence of smoking among teenagers青少年吸烟的普遍性
The prevalence of the disease is higher in some families. 在一些家庭中,该病的发病率较高。
See
prevalent
Doctors are seeing an increase in the prevalence of obesity.
There is concern is over the prevalence of fine dust as an air pollutant.
There are many misconceptions about the prevalence and treatment of depression.
SMART Vocabulary: related words and phrases

Frequency & regularity - general words
(as) regular as clockworkidiom
-ly
clockwork
endemically
erratic
erratically
fitful
irregular
irregularity
irregularly
like clockworkidiom
many
on and offidiom
on-off
periodic
periodically
regularity
religiously
unsynchronized
would

prevalence | Business English


prevalence
noun[ U ]
uk /ˈprevələns/us
the fact of something existing or happening often :
They noted the prevalence of this attitude among leading financial experts.

Examples of prevalence


prevalence
Major depression in communitydwelling middle-aged and older adults : prevalence and 2and 4-year follow-up symptoms.
A large number of studies have reported higher prevalences of both depressive symptoms and clinical depression in women than in men.
The prevalence of various symptoms and prescriptions for antibiotics and antiviral medications were also found to be independent of virus variant.
The difference in prevalence of infection between the two years is surprising and may have important implications for previous and future studies of this nature.
The prevalence of politeness indicates submission to implicit power difference between teachers and students.
In contrast, there was much more spatial structure in hookworm prevalence although the underlying factors are at present unclear.
Despite its prevalence, many young two-year-olds are uncertain about their mapping preference and thus not very committed to maintaining it.
The prevalence rate varied between 31 and 34/100,000 livebirth.
Sensitivity analysis showed that the value of prevalence was sensitive mainly to variations in vaccination and screening costs.
Comparisons of prevalence were performed by the z-test.
On both occasions, multimorbidity (presence of more than one condition) accounted for a quarter of the prevalence of psychiatric morbidity.
We want to emphasize that this first prevalence publication reports predominantly diagnostically aggregated data.
Both showed similar prevalence in the summer and the winter although the pattern was different in some subsets.
The difference in the prevalence rates between different districts could be due to differences in hygiene practices, like drinking contaminated water and open defecation.
For example, as the prevalence in dogs becomes lower the probability of immunity on exposure is decreased.
See all examples of prevalence
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

Collocations withprevalence


prevalence

These are words often used in combination with prevalence.

Click on a collocation to see more examples of it.


actual prevalence
The actual prevalence is uncertain and depends on the diagnostic methods used.
contraceptive prevalence
In the recent past, while evaluating the demographic impact of family planning programmes, the importance of contraceptive prevalence has typically been stressed.
estimated prevalence
The estimated prevalence was 1 per 1000 population.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
See all collocations with prevalence
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