Table 3 Age-adjusted relative risk (RR) of breast cancer: estimates and 95% confidence intervals
Invasive and DCIS | Never/outside program | Never | Outside program |
|---|---|---|---|
Age adjusted * | 0∙93 (0∙79, 1∙10) | 0∙77 (0∙59, 1∙01) | 1∙04 (0∙86, 1∙26) |
Additionally adjusted for: | |||
Parity | 0∙94 (0∙80, 1∙10) | 0∙78 (0∙59, 1∙02) | 1∙04 (0∙86, 1∙26) |
Hormone therapy use | 0∙93 (0∙79, 1∙10) | 0∙81 (0∙62, 1∙06) | 1∙01 (0∙83, 1∙22) |
Maternal history of cancer | 0∙93 (0∙79, 1∙09) | 0∙78 (0∙59, 1∙01) | 1∙02 (0∙84, 1∙24) |
Body mass index (<25, 25+) | 0∙95 (0∙80, 1∙12) | 0∙77 (0∙58, 1∙01) | 1∙06 (0∙87, 1∙28) |
Education (primary, secondary, college) | 0∙96 (0∙81, 1∙14) | 0∙77 (0∙58, 1∙03) | 1∙07 (0∙88, 1∙30) |
Full model | 0∙97 (0∙82, 1∙15) | 0∙82 (0∙61, 1∙11) | 1∙05 (0∙86, 1∙28) |
Invasive only | Never/outside program | Never | Outside program |
Age adjusted * | 0∙96 (0∙81, 1∙14) | 0∙85 (0∙65, 1∙12) | 1∙03 (0∙84, 1∙26) |
Additionally adjusted for: | |||
Parity | 0∙96 (0∙81, 1∙15) | 0∙86 (0∙65, 1∙03) | 1∙02 (0∙84, 1∙26) |
Hormone therapy use | 0∙96 (0∙81, 1∙14) | 0∙90 (0∙69, 1∙18) | 0∙99 (0∙81, 1∙22) |
Maternal history of cancer | 0∙96 (0∙81, 1∙13) | 0∙86 (0∙65, 1∙12) | 1∙01 (0∙83, 1∙25) |
Body mass index (<25, 25+) | 0∙97 (0∙82, 1∙16) | 0∙85 (0∙64, 1∙12) | 1∙05 (0∙85, 1∙29) |
Education (primary, secondary, college) | 0∙99 (0∙83, 1∙18) | 0∙86 (0∙65, 1∙15) | 1∙06 (0∙86, 1∙31) |
Full model | 1∙00 (0∙84, 1∙20) | 0∙93 (0∙69, 1∙25) | 1∙04 (0∙84, 1∙29) |