From: Prospective study of physical activity and risk of postmenopausal breast cancer
Variable | No. of Cases | Category of vigorous physical activity | p | ||||
---|---|---|---|---|---|---|---|
 |  | 1 | 2 | 3 | 4 | 5 |  |
ER/PR receptor status | Â | Â | Â | Â | Â | Â | Â |
   ER+ | 706 | 1.0 | 0.94 | 0.93 | 0.93 | 0.91 (0.72 to 1.15) | 0.42 |
   PR+ | 588 | 1.0 | 1.13 | 0.97 | 1.03 | 0.93 (0.72 to 1.22) | 0.54 |
   ER+/PR+ | 555 | 1.0 | 1.08 | 0.97 | 1.02 | 0.93 (0.71 to 1.23) | 0.61 |
   ER+/PR- | 115 | 1.0 | 2.40 | 0.89 | 0.97 | 0.49 (0.10 to 2.32) | 0.22 |
   ER- | 161 | 1.0 | 1.36 | 0.79 | 1.02 | 0.74 (0.44 to 1.27) | 0.22 |
   PR- | 248 | 1.0 | 0.77 | 0.74 | 0.80 | 0.77 (0.52 to 1.15) | 0.23 |
   ER-/PR+ | 29 | 1.0 | 0.55 | 0.60 | 0.56 | 0.81 (0.46 to 1.41) | 0.43 |
   ER-/PR- | 126 | 1.0 | 1.02 | 0.80 | 1.06 | 0.76 (0.42 to 1.35) | 0.43 |
Combination of ER receptor status and BMI | Â | Â | Â | Â | Â | Â | Â |
   ER+, BMI < 25.0 kg/m2 | 417 | 1.0 | 0.79 | 0.87 | 0.95 | 0.75 (0.54 to 1.03) | 0.15 |
   ER+, BMI ≥ 25.0 kg/m2 | 289 | 1.0 | 1.20 | 1.01 | 0.86 | 1.19 (0.83 to 1.69) | 0.60 |
Combination of ER/PR receptor status and BMI | Â | Â | Â | Â | Â | Â | Â |
   ER+/PR+, BMI < 25.0 kg/m2 | 327 | 1.0 | 0.94 | 0.93 | 1.09 | 0.81 (0.56 to 1.17) | 0.43 |
   ER+/PR+, BMI ≥ 25.0 kg/m2 | 228 | 1.0 | 1.29 | 1.02 | 0.89 | 1.14 (0.76 to 1.71) | 0.81 |