incidence studies การใช้
- A recent HIV-incidence study showed Nigeria's infection dropping to 5 percent of the population in 2003 from 5.8 percent in 2001.
- Benefit incidence studies typically find spending on health, education and transfer payments to be strongly progressive, while finding mixed results on tax progressivity in different countries.
- However it also has regressive implications since tax incidence studies show that ultimately it would be poor people who would bear a great deal of the burden of many pollution taxes . " In other words, many pollution taxes would be highly regressive and therefore aggravate economic injustice . ".
- As the findings from the 2002 Second National Incidence Studies of Missing, Abducted, Runaway, and Thrownaway Children ( NISMART 2 ) study summary by the US Office of Juvenile Justice and Delinquency Prevention ( OJJDP ) indicate, a child can be missing for many reasons, including " Nonfamily abductions ", " Family abductions, " " Runaway / thrownaway episodes, " " Missing involuntary, lost, or injured events, " and " Missing benign explanation situations . " The study summary noted that " it is important to recognize that nearly all of the caretaker missing children ( 1, 312, 800 or 99.8 percent ) were returned home alive or located by the time the study data were collected.
- A 2009 study focusing on the naturally high background radiation region of Karunagappalli, India concluded : " our cancer incidence study, together with previously reported cancer mortality studies in the HBR area of Yangjiang, China, suggests it is unlikely that estimates of risk at low doses are substantially greater than currently believed . " A 2011 meta-analysis further concluded that the " Total whole body radiation doses received over 70 years from the natural environment high background radiation areas in Kerala, India and Yanjiang, China are much smaller than [ the non-tumour dose, " defined as the highest dose of radiation at which no statistically significant tumour increase was observed above the control level " ] for the respective dose-rates in each district ."