Table 1.
Characteristics of the Study Population by Case Status (n = 2104)
| Characteristics | Diverticulosis (n = 878) |
No diverticulosis (n = 1226) |
P value |
|---|---|---|---|
| Age, y | 58.8 ± 8.9 | 53.7 ± 8.8 | <.001 |
| <39 | 10 (1) | 63 (5) | |
| 40–49 | 75 (9) | 220 (18) | |
| 50–59 | 418 (48) | 664 (54) | |
| 60–69 | 253 (29) | 209 (17) | |
| >70 | 122 (14) | 69 (6) | |
| Sex, male | 370 (42) | 514 (42) | .929 |
| Race, white | 735 (84) | 971 (80) | .005 |
| BMI, kg/m2 | 27.9 ± 5.8 | 27.1 ± 6.1 | .002 |
| Underweight (<18.5) | 13 (2) | 22 (2) | |
| Normal (18.5–25) | 278 (33) | 505 (43) | |
| Overweight (25–30) | 307 (36) | 366 (31) | |
| Obese (>30) | 245 (29) | 285 (24) | |
| Regular NSAID use | 299 (34) | 314 (26) | <.001 |
| Tobacco use, y | 20.2 ± 14.0 | 17.8 ± 12.9 | .007 |
| Daily alcohol use, g | 10.0 ± 25.1 | 9.3 ± 27.7 | .569 |
| Total energy intake, kcal/day | 1826 ± 809 | 1824 ± 799 | .952 |
| Total fiber, g/day | 18.8 ± 9.7 | 18.8 ± 9.2 | .917 |
| Bean fiber, g/day | 3.4 ± 3.2 | 3.4 ± 2.8 | .801 |
| Grain fiber, g/day | 6.2 ± 4.0 | 6.4 ± 4.0 | .156 |
| Fruit and vegetable fiber, g/day | 8.0 ± 5.0 | 7.9 ± 4.9 | .627 |
| Soluble fiber, g/day | 6.9 ± 3.2 | 6.9 ± 3.1 | .922 |
| Insoluble fiber, g/day | 13.2 ± 6.5 | 13.3 ± 6.3 | .777 |
| Red meat, oz/day | 2.6 ± 2.2 | 2.6 ± 2.1 | .816 |
| Fat, g/day | 70.2 ± 35.9 | 69.2 ± 34.0 | .545 |
| Bowel movements per week | 7 | 7 | <.001 |
| Laxatives use ever | 483 (55) | 746 (61) | .008 |
NOTE. Continuous variables are reported as mean ± SD, with the exception of bowel movements per week, which are reported as median values given a skewed distribution. Categorical variables are reported as n (%).