[Effects and trends of stroke and life expectancy among older adults--from 1990s to 2000s].

Objective: To explore the experience of stroke influencing the life expectancy (LE), active life expectancy (ALE), inactive life expectancy (IALE), and the trend of life expectancy among older adults, from 1990s to 2000s in Beijing, China.

Methods: A representative sample of 3257 elderly people living in urban or rural communities in Beijing were followed up from 1990 until 2004. Their health and survival status had been surveyed every 3-5 years.

[Study on the active life expectancy of the elderly and its longitudinal transition in Beijing].

Objective: Focus on the Active Life Expectancy (ALE) of elderly in Beijing and the transition in recent years.

Methods: A representative sample of 3257 elderly people who lived in the urban, suburban and rural communities in Beijing that had been followed up for 12 years. Their health and survival status had been surveyed every 2-3 years.

[Evaluation of predictive effect of some health-related indices on deaths among ageing residents through a 8-years' follow-up study in Beijing].

Objective: To study the predictive effects of some health status indicators to deaths in the elderly population.

Methods: In 1992, a cohort of 3257 people older than 55 years old was formed from Beijing urban and suburb area. Demographic and information of activity of daily living (ADL), self-rated health (SRH), chronic diseases history and other related variables were collected at baseline survey in 1992.