Benign Breast Disease Matched study data
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.
observation within stratum (
Age (years) at interview.
Final diagnosis (
Highest grade in school. 5-20.
Regular medical checkups? (
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 (
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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