|
Events/person-years
|
Age-adjusted HR (95% CI)
|
MV-adjusted HR (95% CI)b
|
---|
Overall
|
Cancer-free
|
67/3497
|
1.00 (reference)
|
1.00 (reference)
|
Survivors
|
27/475
|
2.49 (1.58–3.91)
|
2.17 (1.37–3.46)
|
0–2 years
|
Cancer-free
|
22/1126
|
1.00 (reference)
|
1.00 (reference)
|
Survivors
|
14/214
|
3.15 (1.61–6.17)
|
2.74 (1.37–5.47)
|
3+ years
| | | |
Cancer-free
|
45/2371
|
1.00 (reference)
|
1.00 (reference)
|
Survivors
|
13/261
|
2.07 (1.11–3.85)
|
1.85 (0.98–3.51)
|
- Abbreviations: MV Multivariable
- aBreast cancer survivors were restricted to women diagnosed within 1 year prior to enrollment
- bAdjusted for age (years), menopausal status (premenopausal, postmenopausal), bilateral oophorectomy at age < 45 years (yes, no), body mass index (kg/m2), physical activity (MET-h/wk), smoking status (never, ever), alcohol intake (g/d), and hormone replacement therapy (never, ever)
- p(s) for the likelihood ratio test of the interaction between breast cancer status and time was 0.42 for age- and 0.44 for MV-adjusted models