Table 1.
Characteristics of pancreatic adenocarcinoma cases and controls used in the analysis (no recent diet change), and all adenocarcinoma cases and controls who completed FFQs.
| Cases | Controls | |||
|---|---|---|---|---|
|
| ||||
| Genotyped (N=251) | Not Genotyped (N=133) | Genotyped (N=907) | Not Genotyped (N=76) | |
| Sex | ||||
| Female | 102 (40.6%) | 61 (45.9%) | 440 (48.5%) | 60 (78.9%) |
| Male | 149 (59.4%) | 72 (54.1%) | 467 (51.5%) | 16 (21.1%) |
| Age when approached | ||||
| N | 251 (100.0%) | 133 (100.0%) | 907 (100.0%) | 76 (100.0%) |
| Mean (SD) | 67.5 (10.0) | 65.9 (11.4) | 65.9 (10.5) | 64.4 (14.4) |
| Median | 67.0 | 66.0 | 67.0 | 69.0 |
| Q1, Q3 | 60.0, 75.0 | 59.0, 74.0 | 59.0, 74.0 | 57.5, 73.5 |
| Range | (43.0–91.0) | (31.0–92.0) | (28.0–94.0) | (24.0–86.0) |
| Diabetes Mellitus type 2 | ||||
| Yes | 106 (48.8%) | 56 (54.4%) | 64 (7.1%) | 4 (6.2%) |
| ≥ 3 years ago | 45 (45.0%) | 21 (42.0%) | 46 (75.4%) | 3 (100.0%) |
| < 3 years ago | 55 (55.0%) | 29 (58.0%) | 15 (24.6%) | 0 (0.0%) |
| Missing | 6 | 6 | 3 | 1 |
| No | 111 (51.2%) | 47 (45.6%) | 842 (92.9%) | 61 (93.8%) |
| Missing | 34 | 30 | 1 | 11 |
| Race | ||||
| American Indian/ | 0 (0.0%) | 0 (0.0%) | 1 (0.1%) | 3 (3.9%) |
| Alaskan Native | ||||
| Asian/Asian-American | 1 (0.4%) | 2 (1.5%) | 3 (0.3%) | 5 (6.6%) |
| Black/African American | 0 (0.0%) | 4 (3.0%) | 1 (0.1%) | 0 (0.0%) |
| White/Caucasian | 247 (98.4%) | 126 (94.7%) | 901 (99.3%) | 65 (85.5%) |
| Multiracial | 3 (1.2%) | 1 (0.8%) | 1 (0.1%) | 3 (3.9%) |
| Smoking | ||||
| Current | 35 (13.9%) | 23 (17.4%) | 35 (3.9%) | 2 (2.7%) |
| Former | 110 (43.8%) | 55 (41.7%) | 378 (41.7%) | 28 (37.3%) |
| Quit < 10 years ago | 17 (16.0%) | 3 (5.5%) | 33 (8.9%) | 1 (3.8%) |
| Quit 10+ years ago | 89 (84.0%) | 52 (94.5%) | 336 (91.1%) | 25 (96.2%) |
| Missing | 4 | 0 | 9 | 2 |
| Never | 106 (42.2%) | 54 (40.9%) | 494 (54.5%) | 45 (60%) |
| Usual BMI | ||||
| N | 248 (98.8%) | 131 (98.5%) | 884 (97.5%) | 70 (92.1%) |
| Mean (SD) | 27.5 (5.1) | 27.8 (5.7) | 26.7 (4.2) | 25.9 (4.3) |
| Median | 26.6 | 27.1 | 26.4 | 25.3 |
| Q1, Q3 | 24.0, 30.1 | 23.9, 31.1 | 23.7, 29.1 | 23.3, 27.4 |
| Range | (15.3–53.0) | (17.0–45.7) | (14.0–49.0) | (19.1–40.7) |
Abbreviations: SD, standard deviation; Q1, quintile 1; Q3, quintile 3