Word: cohorts
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...disparity between the new results and the earlier study? Zhang points to the small sample size and self-reported data in the earlier study, compared with Zhang's large cohort and national-registry information. What's more, the focus of the previous study was not abortion per se, but general risk factors for ectopic pregnancy, including women's history of smoking and pelvic infectious disease. "In some ways, they found this association accidentally," says Zhang, "and the author did not provide any explanation. We weren't sure whether that finding was just by chance or whether it was real...
...There are roughly 300 million adults in China under age 30, a demographic cohort that serves as a bridge between the closed, xenophobic China of the Mao years and the globalized economic powerhouse that it is becoming. Young Chinese are the drivers and chief beneficiaries of the country's current boom: according to a recent survey by Credit Suisse, the incomes of 20- to 29-year-olds grew 34% in the past three years, by far the biggest of any age group. And because of their self-interested, apolitical pragmatism, they could turn out to be the salvation...
Gregory Hodge is a good example of this return to tradition. He is principal at the Frederick Douglass Academy, a public school in Harlem. His school was one of three recently honored by the Schott Foundation for excellence in educating black male students--the most troubled cohort but also the group making the greatest progress in many areas. Hodge told me that when he arrived at the combination middle school and high school 11 years ago, the academy was already a great success--but the student body was 80% female. The new principal made it his business to recruit more...
...former Rocky Flats workers had hoped that the board would approve Special Exposure Cohort (SEC) for all workers at the plant, meaning expedited access to compensation. Instead, the government panel approved that status only for workers employed at Rocky Flats from Jan. 1, 1959 to Dec. 31, 1966, saying there simply weren't enough good records available for determining each worker's level of exposure to radiation on the job (earlier, pre-1959 employees were also granted SEC status). The panel said that all cases of employee illness following 1966 will be reviewed individually, a tedious process in which, some...
...Faculty of Arts and Sciences voted to disband Biology in 2006. The Class of ’09 is the last cohort that will have the option of concentrating in the field...