The study included 3,763 men with mild hypertension who participated in a worksite-based, union-sponsored hypertension control program in New York City from 1981 to 1999.

• 这项试验收纳了3,763位轻度高血压病患，这些病患加入一项自1981年到1999年，于纽约市，以工作地点为主、单位赞助的高血压控制计画；