Attrition from longitudinal ageing studies and performance across domains of cognitive functioning: an individual participant data meta-analysis.

ABSTRACT:

Objectives

This paper examined the magnitude of differences in performance across domains of cognitive functioning between participants who attrited from studies and those who did not, using data from longitudinal ageing studies where multiple cognitive tests were administered.

Design

Individual participant data meta-analysis.

Participants

Data are from 10 epidemiological longitudinal studies on ageing (total n=209 518) from several Western countries (UK, USA, Mexico, etc). Each study had multiple waves of data (range of 2-17 waves), with multiple cognitive tests administered at each wave (range of 4-17 tests). Only waves with cognitive tests and information on participant dropout at the immediate next wave for adults aged 50 years or older were used in the meta-analy

SUBMITTER: Hernandez R 

PROVIDER: S-EPMC10921498 | biostudies-literature | 2024 Mar

REPOSITORIES: biostudies-literature