The oldest old in England and Wales: a descriptive analysis based on the MRC Cognitive Function and Ageing Study.

ABSTRACT:

Objective

to describe the characteristics and survival of the oldest old in England and Wales.

Design

retrospective analysis of the oldest old from a population-based cohort study.

Setting

population-based study in England and Wales: two rural and three urban sites.

Methods

two types of analyses were conducted: (i) a descriptive analysis of those individuals who were aged 90 years or more, and 100 years or more, and (ii) a survival analysis of those who reached their 90th, 95th, or 100th birthday during the study. Median survival time was calculated by the Kaplan-Meier method. Effects of socio-demographic characteristics on survival were evaluated using the Cox proportional-hazards regression model.

Results

in total, 958 individuals aged 90 years or more

SUBMITTER: Xie J 

PROVIDER: S-EPMC2441704 | biostudies-literature | 2008 Jul

REPOSITORIES: biostudies-literature