Table 2.
Adjusted1 hazard ratios (HRs) and 95% confidence intervals (CIs) for associations of red and processed meat intake with risk of pancreatic cancer overall and among women aged ≥50 years.
| All Ages |
Age ≥ 50 years |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| Intake (g/day) | N Cases | Person- years |
HR | (95% CI) | N Cases | Person- years |
HR | (95% CI) | |
| Total Red Meat, g/day | |||||||||
| Quartile 1 | 44 | 254,838 | 1.00 | – | 34 | 134,494 | 1.00 | – | |
| Quartile 2 | 37 | 255,015 | 0.85 | (0.55, 1.31) | 36 | 126,295 | 1.10 | (0.69, 1.76) | |
| Quartile 3 | 42 | 254,154 | 1.03 | (0.67, 1.60) | 37 | 116,015 | 1.27 | (0.79, 2.05) | |
| Quartile 4 | 45 | 253,078 | 1.19 | (0.73, 1.92) | 41 | 100,147 | 1.65 | (0.98, 2.78) | |
| Ptrend2 | 0.3 | 0.05 | |||||||
| Continuous (per 100 g/day) | 1.06 | (0.63, 1.79) | 1.49 | (0.88, 2.53) | |||||
| Frequency, servings per week (1 serving = 85 g ≈ 3 ounces) | |||||||||
| < 1/week | 33 | 161,537 | 1.00 | – | 24 | 85,053 | 1.00 | – | |
| ≥ 1/week– ≤ 3/week | 52 | 393,753 | 0.65 | (0.42, 1.01) | 49 | 196,307 | 0.87 | (0.53, 1.42) | |
| > 3/week | 83 | 461,794 | 0.97 | (0.63, 1.51) | 75 | 195,592 | 1.36 | (0.83, 2.23) | |
| Unprocessed Red Meat, g/day | |||||||||
| Quartile 1 | 48 | 254,552 | 1.00 | – | 38 | 134,834 | 1.00 | – | |
| Quartile 2 | 35 | 254,457 | 0.74 | (0.48, 1.14) | 34 | 126,099 | 0.93 | (0.59, 1.49) | |
| Quartile 3 | 43 | 254,606 | 0.96 | (0.63, 1.46) | 37 | 115,828 | 1.12 | (0.70, 1.78) | |
| Quartile 4 | 42 | 253,470 | 1.01 | (0.63, 1.61) | 39 | 100,191 | 1.38 | (0.83, 2.28) | |
| Ptrend2 | 0.7 | 0.6 | |||||||
| Continuous (per 100 g/day) | 1.20 | (0.66, 2.19) | 1.67 | (0.92, 3.02) | |||||
| Frequency, servings per week (1 serving = 85 g ≈ 3 ounces) | |||||||||
| < 1/week | 46 | 245,854 | 1.00 | – | 36 | 129,528 | 1.00 | – | |
| ≥ 1/week– ≤ 3/week | 70 | 457,038 | 0.83 | (0.57, 1.21) | 65 | 221,284 | 1.03 | (0.68, 1.55) | |
| > 3/week | 52 | 314,192 | 0.99 | (0.64, 1.55) | 47 | 126,140 | 1.31 | (0.81, 2.13) | |
| Processed Meat, g/day | |||||||||
| Quartile 1 | 46 | 254,552 | 1.00 | – | 39 | 126,862 | 1.00 | – | |
| Quartile 2 | 45 | 254,774 | 0.95 | (0.63, 1.44) | 40 | 124,611 | 1.02 | (0.66, 1.59) | |
| Quartile 3 | 39 | 254,650 | 0.83 | (0.54, 1.28) | 32 | 118,041 | 0.85 | (0.53, 1.36) | |
| Quartile 4 | 38 | 253,109 | 0.79 | (0.49, 1.25) | 37 | 107,437 | 1.01 | (0.62, 1.64) | |
| Ptrend2 | 0.3 | 1.0 | |||||||
| Continuous (per 50 g/day) | 0.74 | (0.39, 1.44) | 0.99 | (0.52, 1.90) | |||||
| Frequency, servings per week (1 serving = 85 g ≈ 3 ounces) | |||||||||
| < 1/week | 107 | 646,682 | 1.00 | – | 92 | 310,085 | 1.00 | – | |
| ≥ 1/week– ≤ 3/week | 55 | 315,504 | 0.99 | (0.70, 1.39) | 50 | 144,780 | 1.09 | (0.76, 1.56) | |
| > 3/week | 6 | 54,899 | 0.59 | (0.25, 1.38) | 6 | 22,087 | 0.77 | (0.32, 1.82) | |
1
Adjusted for age (continuous), cigarette smoking (never, former, current; pack-years), and total energy intake (kcals).
2
Tests for linear trend were calculated by assigning the median of each quartile as scores.