A little more than half of the cohort lied in urban areas, one-quarter came from low-income families, 5% had a mother wi约超过一半的孩子居住在城市里，四分之一来自低收入家庭，5%的孩子的母亲患有哮喘，几乎所有的孩子均不是独生子（90%）。
A prospectie cohort study of 134 ambulatory male eterans 165 years of age obsered for 1–4.5 years, including 29 subjects一个前瞻性队列研究134名年龄〉65岁的男性退伍军人，观察1-4.5年。进行了包括细菌尿29个指标的研究。发现不治疗菌尿对被研究者没有不良后果。
According to the Chinese ministry, 10,340 Americans studied in China last year, a smaller cohort than the 54,080 from So据中国教育部统计，去年的美国在华留学生共有1.034万人，少于在韩国和日本的5.408万人和1.887万人。
Acts 21:31 And as they were seeking to kill him, a report came up to the commander of the cohort that all Jerusalem was 徒二一31他们正想要杀他，有人报信给营里的千夫长说，全耶路撒冷都乱了。
“Canada's aging has until now been delayed a little bit, because of the very large cohort of baby boomers still working,但是加拿大现在是美洲最老的国家，而老龄化的进程越来越快。