The phrase "a reduction in the prevalence of" is correct and usable in written English.
It can be used when discussing the decrease in the occurrence or frequency of a particular condition, issue, or phenomenon.
Example: "The new health initiative aims to achieve a reduction in the prevalence of obesity among children."
Alternatives: "a decrease in the occurrence of" or "a decline in the frequency of".
Whether that effect will translate into a reduction in the prevalence of dementia is unknown.
The objective of the first stage, at 11 13 weeks' gestation, is a reduction in the prevalence of the disease through pharmacological intervention in the high-risk group.
The report also noted that older people were more likely to report being abused than younger people, but added: "It is difficult to determine whether this indicates a reduction in the prevalence of child abuse in more recent years or whether it is due to survivors being more willing to disclose past abuse the further in time they are away from the experience".
The only studies that found a reduction in the prevalence of dementia were the UK study and the Spanish study, which looked at people over the age of 65.
Prof David Lopez, of the University of Texas, Houston, said: "Even though we saw a reduction in the prevalence of erectile dysfunction with men who were obese, overweight and hypertensive, that was not true of men with diabetes", according to the Daily Telegraph.
Weight loss has also been associated with a reduction in the prevalence of T2DM [4, 22].
Performance targets might include an increase in the public employment agency's market share of vacancies reported by firms and a reduction in the prevalence of unemployment that is long-term (over one year) or very long-term (two years or more).
A study conducted in the late 1990's in Southern Malawi suggested a reduction in the prevalence of blindness over the previous 16 years [12].
A calculated and aggressive program is therefore necessary in order to bring about a reduction in the prevalence of TB in a community by decreasing the time to diagnosis in all its ramifications.
A reduction in the prevalence of blindness is supported by an increase in the number of cataract surgeries performed in Malawi from approximately 300 surgeries per million population in 2003 to the current estimate (2010) of 850 surgeries per million population per year.
Among its findings are a significant increase in uptake to drug and alcohol treatment [11]; a decrease in local measures of drug-related disorder, including public injecting [12]; and a reduction in the prevalence of risk factors for HIV infection, such as syringe sharing [13].
