The impact of attrition on the representativeness of cohort studies of older people

Samuel L Brilleman; Nancy A Pachana; Annette J Dobson

doi:10.1186/1471-2288-10-71

The impact of attrition on the representativeness of cohort studies of older people

Samuel L Brilleman, Nancy A Pachana, Annette J Dobson

Research output: Contribution to journal › Article (Academic Journal) › peer-review

72 Citations (Scopus)

Abstract

There are well-established risk factors, such as lower education, for attrition of study participants. Consequently, the representativeness of the cohort in a longitudinal study may deteriorate over time. Death is a common form of attrition in cohort studies of older people. The aim of this paper is to examine the effects of death and other forms of attrition on risk factor prevalence in the study cohort and the target population over time.

Original language	English
Pages (from-to)	71
Journal	BMC Medical Research Methodology
Volume	10
DOIs	https://doi.org/10.1186/1471-2288-10-71
Publication status	Published - 2010

Keywords

Mortality
Odds Ratio
Women's Health
Humans
Aged
Longitudinal Studies
Health Services for the Aged
Risk Factors
Cohort Studies
Patient Dropouts
Australia
Middle Aged
Bias (Epidemiology)
Female
Prevalence

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title = "The impact of attrition on the representativeness of cohort studies of older people",

abstract = "There are well-established risk factors, such as lower education, for attrition of study participants. Consequently, the representativeness of the cohort in a longitudinal study may deteriorate over time. Death is a common form of attrition in cohort studies of older people. The aim of this paper is to examine the effects of death and other forms of attrition on risk factor prevalence in the study cohort and the target population over time.",

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T1 - The impact of attrition on the representativeness of cohort studies of older people

AU - Brilleman, Samuel L

AU - Pachana, Nancy A

AU - Dobson, Annette J

PY - 2010

Y1 - 2010

N2 - There are well-established risk factors, such as lower education, for attrition of study participants. Consequently, the representativeness of the cohort in a longitudinal study may deteriorate over time. Death is a common form of attrition in cohort studies of older people. The aim of this paper is to examine the effects of death and other forms of attrition on risk factor prevalence in the study cohort and the target population over time.

AB - There are well-established risk factors, such as lower education, for attrition of study participants. Consequently, the representativeness of the cohort in a longitudinal study may deteriorate over time. Death is a common form of attrition in cohort studies of older people. The aim of this paper is to examine the effects of death and other forms of attrition on risk factor prevalence in the study cohort and the target population over time.

KW - Mortality

KW - Odds Ratio

KW - Women's Health

KW - Humans

KW - Aged

KW - Longitudinal Studies

KW - Health Services for the Aged

KW - Risk Factors

KW - Cohort Studies

KW - Patient Dropouts

KW - Australia

KW - Middle Aged

KW - Bias (Epidemiology)

KW - Female

KW - Prevalence

U2 - 10.1186/1471-2288-10-71

DO - 10.1186/1471-2288-10-71

M3 - Article (Academic Journal)

C2 - 20687909

SN - 1471-2288

VL - 10

SP - 71

JO - BMC Medical Research Methodology

JF - BMC Medical Research Methodology

ER -

The impact of attrition on the representativeness of cohort studies of older people

Abstract

Keywords

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