Plant-based diet indices | Proximal colon cancer | Distal colon cancer | Rectal cancer | ||||||
---|---|---|---|---|---|---|---|---|---|
Cases/ person-years | Incident rate per 1000 pys | HR (95% CI) | Cases/ person-years | Incident rate per 1000 pys | HR (95% CI) | Cases/ person-years | Incident rate per 1000 pys | HR (95% CI) | |
PDI | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Q1 (24–46) | 195/435,153 | 0.45 | 1.00 (ref.) | 157/435,237 | 0.36 | 1.00 (ref.) | 277/434,817 | 0.64 | 1.00 (ref.) |
Q2 (47–49) | 238/500,520 | 0.48 | 1.04 (0.86–1.26) | 181/500,572 | 0.36 | 1.02 (0.82–1.26) | 265/500,355 | 0.53 | 0.84 (0.71–0.99) |
Q3 (50–53) | 190/383,024 | 0.50 | 1.08 (0.88–1.33) | 130/383,131 | 0.34 | 0.97 (0.77–1.23) | 215/382,902 | 0.56 | 0.89 (0.75–1.07) |
Q4 (54–77) | 237/501,317 | 0.47 | 1.05 (0.86–1.27) | 164/501,442 | 0.33 | 0.96 (0.76–1.20) | 235/501,266 | 0.47 | 0.76 (0.64–0.91) |
P trend * | Â | Â | 0.6154 | Â | Â | 0.6066 | Â | Â | 0.0093 |
Per 10 increases |  |  | 0.97 (0.85–1.10) |  |  | 0.91 (0.78–1.05) |  |  | 0.93 (0.88–0.98) |
hPDI | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Q1 (29–50) | 202/439,973 | 0.46 | 1.00 (ref.) | 164/440,025 | 0.37 | 1.00 (ref.) | 260/439,722 | 0.59 | 1.00 (ref.) |
Q2 (51–54) | 215/452,866 | 0.47 | 0.97 (0.80–1.18) | 165/452,851 | 0.36 | 0.97 (0.78–1.20) | 267/452,585 | 0.59 | 0.98 (0.83–1.17) |
Q3 (55–58) | 214/460,191 | 0.47 | 0.93 (0.76–1.14) | 176/460,322 | 0.38 | 1.03 (0.82–1.28) | 242/460,146 | 0.53 | 0.88 (0.73–1.05) |
Q4 (59–82) | 229/466,982 | 0.49 | 1.01 (0.82–1.23) | 127/467,185 | 0.27 | 0.77 (0.60–0.98) | 223/466,888 | 0.48 | 0.84 (0.69–1.01) |
P trend * | Â | Â | 0.9655 | Â | Â | 0.0730 | Â | Â | 0.0330 |
Per 10 increases |  |  | 1.00 (0.88–1.13) |  |  | 0.91 (0.79–1.06) |  |  | 0.94 (0.88–0.99) |
uPDI | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Q1 (28–51) | 199/406,269 | 0.49 | 1.00 (ref.) | 123/406,531 | 0.30 | 1.00 (ref.) | 224/406,159 | 0.55 | 1.00 (ref.) |
Q2 (52–55) | 238/455,279 | 0.52 | 1.13 (0.93–1.36) | 190/455,222 | 0.42 | 1.42 (1.13–1.78) | 276/455,052 | 0.61 | 1.15 (0.96–1.37) |
Q3 (56–58) | 213/472,971 | 0.45 | 1.03 (0.85–1.26) | 158/473,084 | 0.33 | 1.18 (0.93–1.50) | 264/472,754 | 0.59 | 1.11 (0.92–1.33) |
Q4 (59–79) | 210/485,493 | 0.43 | 1.16 (0.95–1.42) | 161/485,545 | 0.33 | 1.30 (1.02–1.65) | 228/485,376 | 0.47 | 1.04 (0.86–1.26) |
P trend * | Â | Â | 0.2813 | Â | Â | 0.1653 | Â | Â | 0.7960 |
Per 10 increases |  |  | 1.06 (0.94–1.20) |  |  | 1.07 (0.93–1.24) |  |  | 1.01 (0.95–1.07) |