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Coronary Heart Disease (CHD) Refers to illness caused by
narrowing of the arteries
that supply the heart with
blood ( arteriosclerosis)
Cardiovascular Disorders
Caused by fatty material
being deposited on the walls
of the arteries, decreasing
the flow of oxygen to the
High Blood Pressure…read more

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CHD & Type A Behaviour Pattern (TABP)
Friedman & Rosenman
Type A Behaviour refers to pattern of behaviour and attitudes that has long been linked to
increase vulnerability to stress related illness.
The concept evolved from their previous work in the 1950s-60s and noticed
a pattern of behaviour was linked to heart disease ( Shown in table) Type B
showed opposite features.
Behaviour Pattern Examples
Time Pressured Unhappy doing nothing ­
Multitasking ­ Deadlines
Competitive Towards achievement ­ Plays to
Hostility Easily angered ­ Irritated…read more

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Research Study
The study contained 3454 males of ages from 39-59 located on the west cost of the US
Categorized as Type A or B by interview question and notes of the behavioural patterns of
type A for example tapping of fingers and pace of talking
Participants for followed for 8.5 years
During that time 257 had heart attacks and 69% where in the Type A group
This was a significant effect even when lifestyle was controlled for example smoking and
Type A had higher blood cholesterol and higher levels of adrenalin and noradrenalin
This was a significant effect even when lifestyle was controlled for example smoking and
obesity…read more

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Type A more likely to perceive events as stressful and react to them more strongly, which the
repetition of this over the years leads to coronary heart disease
Stressor Reaction Sympathetic Nervous System
Strain on body system Increased Heart Rate
narrowing of the arteries Increased Blood Pressure
that supply the heart with
blood ( arteriosclerosis)
Release of stress hormones
Increases Fat Content in Blood…read more

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Evaluation of TABP
The research has provided positive applications, it started the Coronary
Prevention Project which aimed to change type A behaviour therefore reducing
CHD in people who had had previous heart attacks. At a 5 year follow up people
who had taken part had fewer recurrent heart attacks that those who had no
The sample was gender bias as all participants were male (andocentric) However
later research showed no link between CHD and type A in woman as the
hormone Oestrogen protects against the effects. And men handle stress
differently as they tend to bottle it up, while woman seek support.
The sample was culturally bias as the sample was all American (endocentric) its
actually thought that American society encourages type A behaviour such as
competitiveness.…read more

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