Table 3.
Variables | Univariate OR (95%CI) P-value |
Multivariate OR (95%CI) P-value |
---|---|---|
| ||
Age at baseline questionnaire | 0.94 (0.87–1.00) 0.06 | 0.96 (0.89–1.04) 0.33 |
| ||
Parity (mean) | 0.85 (0.67–1.06) 0.15 | 0.85 (0.67–1.08) 0.18 |
| ||
Tamoxifen (any use) | ||
No | 1 | 1 |
Yes | 4.49 (1.79–11.3) 0.001 | 3.66 (1.44–9.31) 0.006 |
| ||
Tamoxifen | ||
Breast cancer | ||
patients only | ||
No | 1 | 1 |
Yes | 6.60 (2.22 – 19.5) 0.0007 | 7.19 (2.11–24.5) 0.002 |
| ||
Menopausal status | ||
Premenopausal | 1 | 1 |
Postmenopausal | 1.04 (0.47–2.34) 0.92 | 1.07 (0.45–2.57) 0.87 |
| ||
HRT | ||
No | 1 | 1 |
Yes | 1.04 (0.44–2.47) 0.93 | 0.85 (0.32–2.30) 0.75 |
E | 0.48 (0.06–3.66) 0.48 | 0.52 (0.06–4.23) 0.54 |
P | 7.44 (1.19–46.4) 0.03 | 16.5 (2.02–134) 0.009 |
EP | 1.30 (0.44–3.83) 0.63 | 1.77 (0.20–2.98) 0.70 |
| ||
Oral contraceptives | ||
Never | 1 | 1 |
Ever | 1.34 (0.65–2.74) 0.43 | 1.23 (0.56–2.69) 0.61 |
| ||
Smoking history | ||
Never | 1 | 1 |
Ever | 1.41 (0.78–2.55) 0.26 | 1.23 (0.66–2.28) 0.51 |
| ||
BMI18 | 1.01 (0.93–1.09) 0.82 | 1.00 (0.90–1.11) 0.95 |
| ||
BMI30 | 1.01 (0.93–1.09) 0.80 | 1.08 (0.94–1.24) 0.27 |
| ||
BMI40 | 0.98 (0.91–1.05) 0.55 | 0.94 (0.83–1.05) 0.28 |