Table 1.
Baseline Characteristics of participants in the SWEPIC cohort
| Characteristics | No Polyp group | Polyp group | ||
|---|---|---|---|---|
| AP only | SP only | AP and SP | ||
| Number of participants | 701 | 378 | 300 | 218 |
| Age in years, mean (SD) | 59.5 (9.72) | 64.0 (9.70) | 59.0 (8.54) | 64.5 (8.72) |
| Gender, n (%) | ||||
| Male | 313 (44.7) | 229 (60.5) | 144 (48.0) | 136 (62.4) |
| Female | 388 (55.3) | 149 (39.5) | 156 (52.0) | 82 (37.6) |
| Advanced polyps, n (%) | ||||
| Advanced AP | 78 (20.6) | |||
| Sessile serrated lesion | 95 (31.7) | |||
| Both | 22 (10.1) | |||
| Family history of colorectal cancer | ||||
| Yes (%) | 181 (25.8) | 86 (23.2) | 78 (24.9) | 57 (25.3) |
| Smoking status, n (%) | ||||
| Never | 345 (49.2) | 159 (42.1) | 128 (42.7) | 89 (40.8) |
| Former | 221 (31.5) | 139 (36.8) | 97 (32.3) | 78 (35.8) |
| Current | 80 (11.4) | 37 (9.79) | 64 (16.9) | 44 (20.2) |
| Unknown | 55 (7.85) | 42 (11.1) | 11 (2.91) | 7 (3.21) |
| Smoking intensity, mean (SD) | ||||
| Pack years | 8.10 (14.4) | 11.6 (18.7) | 11.6 (16.2) | 15.4 (20.6) |
| Metabolic syndrome, n (%) | ||||
| Yes | 151 (21.5) | 109 (28.9) | 69 (23.0) | 91 (41.6) |
| Body mass index (kg/m2), mean (SD) | ||||
| Mean (SD) | 25.7 (4.48) | 26.5 (4.67) | 26.1 (4.62) | 27.7 (4.96) |
| Physical activity (min/week), mean (SD) | 824 (566) | 822 (573) | 810 (521) | 809 (551) |
| Aspirin or NSAID > 5 years, n (%) | ||||
| Yes | 142 (20.3) | 69 (18.2) | 59 (19.7) | 44 (20.2) |
| Nutrition, n (%), (SD) | ||||
| Prudent | 25.9 (0.110) | 23.2 (0.094) | 24.1 (0.101) | 22.5 (0.094) |
| Western | 24.3 (0.110) | 25.0 (0.099) | 24.3 (0.099) | 25.3 (0.097) |
| Anti-inflammatory | 25.4 (0.103) | 23.0 (0.084) | 23.6 (0.094) | 22.3 (0.087) |
| Pro-inflammatory | 39.3 (0.134) | 41.5 (0.122) | 40.0 (0.124) | 43.2 (0.121) |