Table 2 Relative risk (RR) of pancreatic cancer in relation to physical activity in the BCDDP Follow-up Study
Total Physical Activity 1 | p-trend | ||||
|---|---|---|---|---|---|
MET-hours/day | 34.0–50.1 | 50.11–56.59 | 56.6–63.43 | 63.44–100.2 | |
Cases | 24 | 19 | 15 | 12 | |
Person-years | 70137 | 72150 | 71650 | 71701 | |
Age-adjusted RR (95% CI) | 1.00 | 0.79 (0.43, 1.44) | 0.64 (0.34, 1.23) | 0.51 (0.25, 1.02) | 0.04 |
Multivariate RR (95% CI) 2 | 1.00 | 0.80 (0.44, 1.47) | 0.66 (0.34, 1.26) | 0.52 (0.26, 1.05) | 0.05 |
Moderate Activity 1,3 | |||||
Hours/day | 0–3.71 | 3.72–6.0 | 6.01–8.0 | 8.01–18.0 | |
Cases | 17 | 25 | 18 | 10 | |
Person-years | 71921 | 69238 | 65778 | 78703 | |
Age-adjusted RR (95% CI) | 1.00 | 1.73 (0.92, 3.25) | 1.32 (0.67, 2.60) | 0.56 (0.26, 1.23) | 0.14 |
Multivariable RR (95% CI)2,4 | 1.00 | 1.79 (0.95, 3.36) | 1.36 (0.69, 2.69) | 0.57 (0.26, 1.26) | 0.16 |
Vigorous Activity 5,6 | |||||
Hours/day | 0 | 0.1–1.0 | 1.1–2.0 | 2.1–12.0 | |
Cases | 34 | 15 | 11 | 10 | |
Person-years | 108041 | 66876 | 52061 | 57661 | |
Age-adjusted RR (95% CI) | 1.00 | 0.88 (0.47, 1.63) | 0.83 (0.41, 1.66) | 0.65 (0.32, 1.33) | 0.23 |
Multivariate RR (95% CI) 2,7 | 1.00 | 0.90 (0.48, 1.68) | 0.80 (0.40, 1.58) | 0.63 (0.31, 1.28) | 0.18 |