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Atherosclerosis is the main cause of death for men above 35 and women above 45 in most developed countries. It is a thickening and hardening of internal artery walls. One of its consequences is myocardial infarction. An artery wall is made of three layers; innermost to outermost, they are called intima, media and adventitia. Intima-media thickness is a marker of atherosclerosis. It was measured by ultra- sonography on a sample of 110 subjects in 1999 in Bordeaux hospitals. Information on the main risk factors was also collected.
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A data frame with 110 observations measured on the 9 following variables:
GENDER
1=male, 2=female. Gender.
AGE
Age (in years) at date of consultation.
height
Hieght in cm.
weight
Weight in kg.
tobacco
0=non smoker, 1=former smoker, 2=smoker. Smoking status.
packyear
Number of packs per year. Estimation of tobacco consumption for smokers and former smokers.
SPORT
0=no, 1=yes. Physicial activity.
measure
Intima-media thickness in cm
alcohol
0=non-drinker, 1=occasional drinker, 2=regular drinker. Alcohol consumption.
Lafaye de Micheaux Pierre <lafaye@unsw.edu.au>, Remy Drouilhet <Remy.Drouilhet@upmf-grenoble.fr>, Liquet Benoit <b.liquet@uq.edu.au>
http://www.biostatisticien.eu/springeR/
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