Telephone assessment of cognitive function in the late-onset Alzheimer's disease family study.

ABSTRACT:

Background

Administration of cognitive test batteries by telephone has been shown to be a valid and cost-effective means of assessing cognition, but it remains relatively uncommon in epidemiological research.

Objectives

To develop composite cognitive measures and assess how much of the variability in their scores is associated with mode of test administration (ie, in person or by telephone).

Design

Cross-sectional cohort study.

Setting

Late-Onset Alzheimer's Disease Family Study conducted at 18 centers across the United States.

Participants

A total of 1584 persons, 368 with dementia, from 646 families.

Main outcome measures

Scores on composite measures of memory and cognitive function derived from a battery of 7 performance tests administered in p

SUBMITTER: Wilson RS 

PROVIDER: S-EPMC2971664 | biostudies-literature | 2010 Jul

REPOSITORIES: biostudies-literature