The Western Collaborative Group Study (WCGS), a prospective cohort studye, recruited middle-aged men (ages 39 to 59) who were employees of 10 California companies and collected data on 3154 individuals during the years 1960-1961. These subjects were primarily selected to study the relationship between behavior pattern and the risk of coronary hearth disease (CHD). A number of other risk factors were also measured to provide the best possible assessment of the CHD risk associated with behavior type. Additional variables collected include age, height, weight, systolic blood pressure, diastolic blood pressure, cholesterol, smoking, and corneal arcus.
Age: age in years
Height: height in inches
Weight: weight in pounds
Systolic blood pressure: mm Hg
Diastolic blood pressure: mm Hg
Cholesterol: mg/100 ml
Dichotomous behavior pattern: 0 = Type B; 1 = Type A
Coronary heart disease event: 0 = none; 1 = yes
to be done
Observation (follow up) time: Days
Corneal arcus: 0 = none; 1 = yes
UC Berkeley School of Public Health
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