Table 2.
Hazard ratios (95% CI) of colon, rectal, and colorectal cancers by physical activity level at baseline (n = 79,184) in the NOWAC Study
| Physical activity level at baseline | |||||||
|---|---|---|---|---|---|---|---|
| Cancer | Models | 1–2 | 3–4 | 5–6 | 7–8 | 9–10 | p trend |
| Colon | Age-adjusted N of cases: 885 |
0.98 (0.72–1.33) 45 |
0.94 (0.80–1.12) 203 |
1.00 393 |
0.97 (0.82–1.15) 208 |
0.79 (0.56–1.11) 36 |
0.30 |
| Multivariable 1 N of cases: 885 |
0.91 (0.67–1.24) 45 |
0.92 (0.77–1.09) 203 |
1.00 393 |
1.00 (0.84–1.18) 208 |
0.79 (0.56–1.12) 36 |
0.63 | |
| Multivariable 2 N of cases: 885 |
0.90 (0.66–1.23) 45 |
0.91 (0.77–1.08) 203 |
1.00 393 |
1.00 (0.85–1.19) 208 |
0.80 (0.56–1.12) 36 |
0.76 | |
| Rectal | Age-adjusted N of cases: 426 |
1.22 (0.80–1.87) 24 |
1.09 (0.85–1.39) 100 |
1.00 175 |
1.01 (0.79–1.29) 99 |
1.37 (0.92–2.04) 28 |
0.87 |
| Multivariable 1 N of cases: 426 |
1.21 (0.78–1.86) 24 |
1.08 (0.84–1.39) 100 |
1.00 175 |
1.02 (0.79–1.30) 99 |
1.37 (0.92–2.05) 28 |
0.95 | |
| Multivariable 2 N of cases: 426 |
1.18 (0.77–1.82) 24 |
1.07 (0.83–1.37) 100 |
1.00 175 |
1.03 (0.80–1.32) 99 |
1.40 (0.94–2.10) 28 |
0.87 | |
| Colorectal | Age-adjusted N of cases: 1311 |
1.05 (0.82–1.35) 69 |
0.99 (0.86–1.13) 303 |
1.00 568 |
0.98 (0.86–1.13) 307 |
0.97 (0.75–1.26) 64 |
0.34 |
| Multivariable 1 N of cases: 1311 |
1.00 (0.77–1.28) 69 |
0.97 (0.84–1.11) 303 |
1.00 568 |
1.00 (0.87–1.15) 307 |
0.97 (0.75–1.26) 64 |
0.67 | |
| Multivariable 2 N of cases: 1311 |
0.98 (0.76–1.26) 69 |
0.96 (0.83–1.10) 303 |
1.00 568 |
1.01 (0.88–1.16) 307 |
0.98 (0.76–1.28) 64 |
0.88 | |
Multivariable 1 = adjusted for age, height, body mass index, duration of education, alcohol consumption, and smoking status
Multivariable 2 = additionally adjusted for intake of red meat, processed meat, dietary calcium, and dietary fibre