A case control study of the epidemiology of benign breast diseases with reference to oral contraceptive use

J. L. Kelsey, Karen K Lindfors, C. White

Research output: Contribution to journalArticle

62 Citations (Scopus)

Abstract

Various characteristics of the epidemiology of benign breast diseases were examined in a study of 384 women with these conditions and 384 individually matched controls seen at two hospitals in New Haven, Conn. Cases with benign breast diseases were significantly more likely to be nulliparous than their matched controls and had given birth to significantly fewer children than these controls. Long term oral contraceptive use was negatively associated with risk for benign breast diseases. There were no significant differences between cases and controls in any of the other variables considered, including age at first live birth, age at menarche, familial history of breast cancer, and lactation history.

Original languageEnglish (US)
Pages (from-to)333-340
Number of pages8
JournalInternational Journal of Epidemiology
Volume3
Issue number4
StatePublished - 1974
Externally publishedYes

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Breast Diseases
Oral Contraceptives
Case-Control Studies
Epidemiology
Menarche
Birth Order
Live Birth
Lactation
Parturition

ASJC Scopus subject areas

  • Epidemiology

Cite this

A case control study of the epidemiology of benign breast diseases with reference to oral contraceptive use. / Kelsey, J. L.; Lindfors, Karen K; White, C.

In: International Journal of Epidemiology, Vol. 3, No. 4, 1974, p. 333-340.

Research output: Contribution to journalArticle

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