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Vol. 26, No. 3, 2006
Issue release date: April 2006
Section title: Original Paper
Neuroepidemiology 2006;26:140–146
(DOI:10.1159/000091654)

The Relation of Cigarette Smoking to Incident Alzheimer’s Disease in a Biracial Urban Community Population

Aggarwal N.T. · Bienias J.L. · Bennett D.A. · Wilson R.S. · Morris M.C. · Schneider J.A. · Shah R.C. · Evans D.A.
aRush Alzheimer’s Disease Center; bRush Institute for Healthy Aging; cDepartment of Neurological Sciences; dInternal Medicine; ePreventive Medicine; fPsychology; gFamily Medicine, Rush University Medical Center, Chicago, Ill., USA

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Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: 10/26/2005
Published online: 4/7/2006

Number of Print Pages: 7
Number of Figures: 0
Number of Tables: 4

ISSN: 0251-5350 (Print)
eISSN: 1423-0208 (Online)

For additional information: http://www.karger.com/NED

Abstract

The relationship between smoking status and incident Alzheimer’s disease (AD) was investigated in a random stratified sample of a biracial community in Chicago. Analyses are based on 1,064 persons (of 1,134 evaluated) who had data on smoking status, disease incidence, and key covariates such as apolipoprotein allele status. During a mean of about 4 years of follow-up, 170 persons met criteria for incident AD. Current smoking was associated with increased risk of incident AD (OR = 3.4, 95% CI = 1.4–8.0) compared to persons who never smoked. There was no apparent increase in risk of AD for former smokers compared to persons who never smoked (OR = 0.9, 95% CI = 0.5–1.7). Apolipoprotein E allele status modified this association in that former smokers with a υ4 allele were less likely to develop AD (p = 0.04) than those who never smoked. Former smokers also appeared to have a reduced risk of developing AD as their pack-years of smoking increased (p = 0.02)such that the odds of developing AD increased by 50% for every 10 years of smoking cessation (OR = 1.3, CI = 0.9–1.7). The results suggest that older people who currently smoke are more likely to develop AD compared to those who never smoked; the relation between those who used to smoke but quit and the risk of AD is complex and requires further research.


  

Author Contacts

Neelum T. Aggarwal, MD
Rush Alzheimer’s Disease Center, Rush University Medical Center
Armour Academic Center, 600 South Paulina, Suite 1038
Chicago, IL 60612 (USA)
Tel. +1 312 942 2338, Fax +1 312 942 2297, E-Mail naggarw@ush.edu

  

Article Information

Published online: February 21, 2006
Number of Print Pages : 7
Number of Figures : 0, Number of Tables : 4, Number of References : 57

  

Publication Details

Neuroepidemiology

Vol. 26, No. 3, Year 2006 (Cover Date: April 2006)

Journal Editor: Román, G.C. (San Antonio, Tex.)
ISSN: 0251–5350 (print), 1423–0208 (Online)

For additional information: http://www.karger.com/NED


Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: 10/26/2005
Published online: 4/7/2006

Number of Print Pages: 7
Number of Figures: 0
Number of Tables: 4

ISSN: 0251-5350 (Print)
eISSN: 1423-0208 (Online)

For additional information: http://www.karger.com/NED


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