Table 1.
Baseline Characteristics
| Characteristic | Adenoma (n=216) | No Adenoma (n=408) |
|---|---|---|
| Age, years, mean ± SD | 56 ± 7 | 53 ± 6 |
| Sex, % | ||
| Male | 50 | 40 |
| Female | 50 | 60 |
| Race, % | ||
| White | 71 | 78 |
| Non-white | 26 | 20 |
| Unknown | 3 | 2 |
| Education, years, mean ± SD | ||
| <12 years | 6 | 4 |
| 12 years | 10 | 8 |
| Some college | 24 | 22 |
| College graduate | 59 | 67 |
| BMI, kg/m2, mean ± SD | 30 ± 7 | 28 ± 7 |
| NSAID, mean use per month ± SD | 11 ± 36 | 15 ± 41 |
| ASA, mean use per month ± SD | 4 ± 36 | 3 ± 14 |
| Smoking status, % | ||
| Never | 58 | 56 |
| Former/Occasional | 27 | 31 |
| Current | 15 | 12 |
| Total energy intake, kcal/day, mean ± SD | 2028 ± 860 | 2085 ± 740 |
| Total fiber, grams/day, mean ± SD | 20 ± 11 | 21 ± 9 |
| Physical activity per week, METS, mean ± SD | 2894 ± 3213 | 2881 ± 2934 |
| Diverticulosis, % | 45 | 39 |
Abbreviations: SD, standard deviation; BMI, body mass index; NSAID, nonsteroidal anti-inflammatory drug; MET, metabolic equivalent task