BALTIMORE LONGITUDINAL STUDY OF AGING--POPULATION DYNAMICS

该项目涉及优化管理和科学 BLSA总人口的说明，其中包括，截至1995年7月10日， 1165名活跃参与者(558名女性；607名男性)，542名非活跃参与者(199名女性； 死亡646人(女性71人，男性575人)。目前，有10%的人 活跃的男性和13%的活跃女性是非裔美国人。 活跃的参与者。一九九四年七月一日至一九九五年六月三十日期间，共有533名参加者 访问GRC进行为期两天至两天半的常规访问。这包括42 新参与者(27名白人；15名黑人)，35名以前不活跃的人 参与者。 不活跃的参与者。Inactive的最新电话随访 BLSA参与者于1992年完成收集和更新人口统计数据 信息，健康，认知和功能状态，抑郁状态， 不返回GRC的原因，以及继续的计划 参与。预计将从非活动参与者收集数据 在1996年恢复使用一名半职员工通过 约翰霍普金斯大学与湾景的合同将于明年初签订。 已故参与者。目前存档的是96%的死亡证明 在死者中，医生和/或医院报告占38%，尸检 报告为15%。LSB工作人员随时更新死因信息 在来自LCP和LCS的两名专职医生的合作下 根据GRC开发的系统进行死因编码，并 使用所有可用的死亡信息。此外，死因是 根据仅使用Death的标准化NCHS编码系统进行编码 证书信息。

This project is concerned with optimal management and scientific description of the total BLSA population, which includes, as of 7/10/95, 1165 active participants (558 women; 607 men), 542 inactive (199 women; 343 men), and 646 deceased (71 women; 575 men). At present, 10% of all active men, and 13% of the active women, are African American. Active Participants. Between 7/1/94 and 6/30/95, 533 participants visited the GRC for the regular 2- to 2 1/2-day visit. This includes 42 new participants (27 white; 15 black), and 35 formerly inactive participants. Inactive Participants. The most recent telephone follow-up of inactive BLSA participants was completed in 1992 to collect and update demographic information, health, cognitive, and functional status, depressive state, reasons for not returning to the GRC, and plans for continued participation. Data collection from inactive participants is expected to resume in 1996 using a half-time employee to be hired through the Johns Hopkins Bayview contract early next year. Deceased Participants. Currently on file are death certificates for 96% of the deceased, physician and/or hospital reports for 38%, and autopsy reports for 15%. Cause of death information is kept current by LSB staff with the cooperation of two staff physicians from LCP and LCS who assist with cause-of-death coding according to a system developed at the GRC and using all available death information. In addition, cause of death is coded according to the standardized NCHS coding system using only death certificate information.