National Health Interview Survey, 1994: Second Longitudinal Study on Aging, Wave 3, 2000

The Second Longitudinal Study of Aging (LSOA II) is a
collaborative effort of the National Center for Health Statistics
(NCHS) and the National Institute on Aging (NIA). The NATIONAL HEALTH
INTERVIEW SURVEY, 1994: SECOND SUPPLEMENT ON AGING (SOA II) (ICPSR
2563) serves as the baseline for this study. LSOA II, Wave 3 consists
of 7,936 survivor interviews and 906 decedent interviews in two data
files: the Survivor File (Part 1) and the Decedent File (Part 2). The
Survivor File contains one record for each sample person (N = 9,447)
interviewed at baseline and includes information drawn from several
additional sources, including the 1994 National Health Interview
Survey (ICPSR 6724) core questionnaire, the 1994 National Health
Interview Survey: Family Resources Supplement (ICPSR 2656), Phase I of
the 1994 National Health Interview Survey on Disability (ICPSR 2539),
and the SOA II baseline interview (ICPSR 2563). Wave 3 questions
(beginning at variable SF3664) examined migration, convalescent home
utilization, nutrition, influenza immunization, mammogram, prostate,
and cholesterol screenings, routine use of vitamins, aspirin, calcium
supplements, and antioxidants, and detailed questions on home health
care utilization. In addition, a random one-quarter sample of the
follow-up respondents were chosen to complete the Childhood Health and
Family Longevity Module. This section is similar to that administered
during the 1996 Health and Retirement Survey (HRS). Variable SF3462
indicates whether the sample person answered the childhood module. For
the Decedent File (Part 2), information was gathered from a family
member or close relative regarding sample persons (N = 906) who were
deceased at the time of Wave 3 interviews. Questions focused on
housing, long-term care, assistance with key activities, chronic
conditions, cognitive functioning, health care use, and health
insurance.

第二次老年人口纵向研究（Second Longitudinal Study of Aging, LSOA II）是由美国国家卫生统计中心（National Center for Health Statistics, NCHS）与美国国家老龄问题研究所（National Institute on Aging, NIA）联合开展的研究项目。
1994年全国健康访谈调查：第二次老年增补调查（SOA II，ICPSR 2563）为本研究的基线数据。LSOA II第三波调查包含7936份存活受访者访谈记录与906份已故受访者访谈记录，分别存储于两个数据文件：存活者数据集（第一部分）与已故者数据集（第二部分）。
存活者数据集针对基线调查的全部9447名样本对象各保留一条记录，其数据来源涵盖多个附加数据集，包括1994年全国健康访谈调查核心问卷（ICPSR 6724）、1994年全国健康访谈调查：家庭资源增补调查（ICPSR 2656）、1994年全国健康访谈调查残疾模块第一阶段（ICPSR 2539），以及SOA II基线访谈调查（ICPSR 2563）。
第三波调查的问卷（变量起始编码为SF3664）涵盖迁移情况、疗养机构使用情况、营养状况、流感疫苗接种、乳腺钼靶检查、前列腺及胆固醇筛查、维生素、阿司匹林、钙补充剂与抗氧化剂的常规服用情况，以及家庭医疗保健服务使用的详细问询内容。
此外，研究随机抽取四分之一的追踪调查受访者完成“儿童期健康与家庭长寿模块”问卷，该模块与1996年健康与退休调查（Health and Retirement Survey, HRS）所使用的同类模块内容相近。变量SF3462用于标识样本对象是否完成了儿童期健康模块问卷。
对于已故者数据集（第二部分），研究通过家属或近亲属收集了在第三波调查时已去世的906名样本对象的相关信息，问询内容涵盖住房状况、长期护理服务、关键日常活动协助情况、慢性疾病状况、认知功能、医疗服务使用情况以及健康保险情况。