| | Hormonal therapy
| Chemotherapy
| Radiation therapy2 | Menopuasal status
| Tamoxifen
| Megestrol | Anastrozole
| | OR1 (95% CI) | OR1 (95% CI) | OR1 (95% CI) | OR1 (95% CI) | OR1 (95% CI) | OR1 (95% CI) | OR1 (95% CI) |
| Age at diagnosis1 | 1.02 (0.98, 1.06) | 1.02 (0.98, 1.06) | 1.04 (0.91, 1.20) | 0.92 (0.91, 0.94) | 1.04 (0.99, 1.09) | 1.03 (0.91, 1.16) | 1.01 (0.96, 1.05) | Recall period1 | 0.88 (0.73, 1.06) | 0.93 (0.77, 1.14) | 1.12 (0.71, 1.76) | 0.96 (0.85, 1.08) | 1.04 (0.82, 1.31) | 1.79 (0.82, 3.92) | 1.17 (0.91, 1.50) | Marital status (yes versus no)
| 1.95 (1.12, 3.40) | 1.37 (0.72, 2.60) | 0.47 (0.10, 2.16) | 0.69, (0.40, 0.87) | 1.02 (0.51, 2.06) | 0.46 (0.05, 4.21) | 1.35 (0.71, 2.58) | English speaking (yes versus no)
| 1.26 (0.60, 2.64) | 1.55 (0.74, 3.25) | 1.99 (0.52, 7.61) | 0.03 (0.57, 1.51) | 0.92 (0.35, 2.42) | 1.26 (0.12, 12.98) | 1.37 (0.58, 3.22) | Breast Cancer Recurrence (yes versus no)
| 0.19 (0.09, 0.34) | 0.20 (0.09, 0.42) | — | 1.50 (0.71, 3.20) | 0.28 (0.12, 0.65) | 0.10 (0.02, 0.44) | 0.24 (0.11, 0.54) | Family history (yes versus no)
| 0.88 (0.51, 1.50) | 0.86 (0.49, 1.52) | 3.64 (0.79, 16.75) | 1.11 (0.81, 1.52) | 1.13 (0.60, 2.14) | 1.45 (0.30, 6.94) | 1.40 (0.74, 2.62) | Alcohol consumption1 | 1.01 (0.96, 1.06) | 1.00 (0.96, 1.05) | 1.04 (0.91, 1.20) | 0.99 (0.96, 1.01) | 0.98 (0.93, 1.03) | 0.97 (0.87, 1.08) | 1.01 (0.95, 1.06) | Education level | | | | | | | | Bachelor/graduate | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | High school | 1.42 (0.75, 2.68) | 0.52 (0.24, 1.12) | 1.27 (0.30, 5.42) | 0.84 (0.56, 1.27) | 1.29 (0.60, 2.79) | 0.86 (0.12, 5.97) | 1.14 (0.52, 2.50) | Some vocational/college | 1.64 (0.85, 2.68) | 0.57 (0.27, 1.21) | 1.07 (0.28, 4.08) | 0.74 (0.49, 1.12) | 1.14 (0.53, 2.43) | 1.30 (0.19, 9.15) | 0.77 (0.37, 1.62) | Smoking status | | | | | | | | Never | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | Current | 0.86 (0.44, 1.68) | 1.27 (0.58, 2.76) | 0.72 (0.16, 3.20) | 0.63 (0.42, 0.96) | 0.98 (0.46, 2.11) | 0.14 (0.01, 1.70) | 0.74 (0.34, 1.62) | Former | 1.25 (0.67, 2.32) | 0.77 (0.42, 1.41) | 0.51 (0.16, 1.68) | 0.77 (0.54, 1.10) | 1.80 (0.84, 3.83) | 0.11 (0.01, 1.05) | 0.69 (0.35, 1.33) | Menopausal status | | | | | | | | Premenopausal | 1.00 | 1.00 | 1.00 | | 1.00 | 1.00 | 1.00 | Postmenopausal | 0.62 (0.27, 1.43) | 1.21 (0.50, 2.94) | 0.24 (0.05, 1.27) | — | 0.35 (0.13, 0.95) | 0.74 (0.06, 8.93) | 0.54 (0.21, 1.41) | Unknown | 0.61 (0.28, 1.32) | 1.27 (0.55, 2.92) | 1.50 (0.16, 14.00) | | 0.30 (0.12, 0.70) | 1.07 (0.08, 13.73) | 0.63 (0.26, 1.52) |
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