Description Format Details Source References
Benign Breast Disease Matched study data
A data.frame
with
200 observations (rows)
and 14 variables (columns).
The relationship between the use of oral
contraceptives and fibrocystic breast disease
was examined in a hospital-based case-control study
undertaken in New Haven, Connecticut, from 1977 to 1979.
This is a subset of the original dataset.
Columns are:
stratum 1-50).
observation within stratum (factor
):
Case
Control
Age (years) at interview.
Final diagnosis (factor
):
Control
Case
Highest grade in school. 5-20.
Degree (factor
):
none
high_school
junior_college
college
masters
doctoral
Regular medical checkups? (factor
):
Yes
No
Age (years) at first pregnancy.
Age (years) at menarche.
Non-live 'births'. Number of stillbirths, miscarraiges etc. 0-7.
Number of live births. 0-11.
Weight (lbs) at time of interview.
Age (years) at last menstrual period.
Marital status (factor
):
married
divorced
separated
widowed
never_married
Pastides H, Kelsey JL, LiVolsi VA, Holford TR, Fischer DB, Goldenberg IS 1983. Oral contraceptive use and fibrocystic breast disease with special reference to its histopathology. Journal of the National Cancer Institute 71(1):5–9. Oxford (paywall)
Pastides H, Kelsey JL, Holford TR, LiVolsi VA 1985. The epidemiology of fibrocystic breast disease with special reference to its histopathology. American Journal of Epidemiology 121(3):440–447. Oxford (paywall)
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