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Know how to examine own breasts

Codes and Frequencies

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For sample females, BREXSELF reports whether or not the respondent knows how to examine her own breasts for lumps.

BREXSELF was first introduced as part of a supplement on health promotion and disease prevention. For related variables, please use the IPUMS NHIS search function and drop-down menus.


Changes in the sampling universe (e.g., age) may affect comparability over time. Researchers should use caution when making comparison across years.


  • 1985; 1990: Female sample persons age 18+.
  • 1987: Half of female sample persons age 18+ (excluded from CAEP supplement).
  • 1992: Half of female sample persons age 30+ in quarters 1 and 2 and in 2 weeks of quarter 3 (excluded from CAEP supplement).


  • 1985, 1987, 1990, 1992