7、Objective to study the trend of cancers mortality rate, PYLL and life lost rate among residents of Dalian city during 1981 to 2003.
11、The researchers announced a troubling finding: the number of HIV infections among the trial volunteers who received the vaccine was higher than the rate among those who received a placebo.
2、The country has the lowest fertility rate among developed nations with an average of 1.08 children per woman. The birth rate among military couples is 0.83, officials said.
6、There is a disproportionately high suicide rate among prisoners facing very long sentences.
12、There were significant differences in infection rate among different localities. The infection rate in Xiangzhou County (12.3%) was higher than that in Sanjiang County (9.1%) and Liuzhou City (9.7%).
4、The poverty rate among women in the US rose to 14.5% last year.
10、Although the pregnancy rate among American teens has dropped steadily in the past few decades, among developed countries the U.S. still has the highest rates of teen pregnancy and childbirth.
5、There are significant differences in setting rate among different medium hybrid rice combinations.
1、Therefore the turnover rate among cabin crews was amazingly high.
13、The primary school enrollment rate among children of school age reached 98.7 percent in 1994, an increase of 0.9 percentage point over the 1990 figure, and 86.6 percent of primary school graduates entered junior middle schools, an increase of 12 percentage points over the 1990 figure.
3、Among the results: high rates of functional illiteracy and a troublingly high suicide rate that's become even more pronounced in recent years compared to the rate among girls.
9、--- About 400,000 criminal cases are brought to trial every year in China. The country's crime incidence rate among the population is about 2 per thousand per year, which is among the lowest in the world.
8、In the past ten years the birth rate among unmarried Latinas has risen from 89 to 100 per 1,000. It is now much higher than the rate among black or white women (see chart).
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