Table 4.
Population Attributable Risk of Different Lifestyle Factors on Diverticulitis
| Lifestyle Factors | Low-Risk Definition | Person-Years at Low Risk, % | Multivariable RR1 (95% CI) | Population Attributable Risk (95% CI), % | |
|---|---|---|---|---|---|
|
| |||||
| Individual Risk Factor | Combined | ||||
| Total red meat intake | < 51 grams/day/2000 Kcal2 | 37% | 0.82 (0.70, 0.95) | 13 (3–22) | 50 (20–71) |
| Dietary fiber intake | 4th and 5th quintiles3 | 40% | 0.83 (0.71, 0.96) | 12 (3–20) | |
| Vigorous physical activity | 3rd and 4th quartiles4 | 29% | 0.73 (0.62, 0.86) | 21 (10–32) | |
| Body mass index | Normal body weight5 | 43% | 0.82 (0.71, 0.94) | 12 (4–20) | |
| Smoking | Never smoker | 53% | 0.87 (0.76, 0.99) | 7 (0–14) | |
CI, confidence interval; RR, relative risk.
1
Adjusted for age, questionnaire cycle, total energy intake (quintiles), regular use of aspirin, NSAID, and acetaminophen.
2
Approximately fewer than 4 servings of red meat per week.
3
Roughly at least 23 grams of dietary fiber intake daily.
4
At least two hours of jogging, running, biking, swimming, or playing tennis each week.
5
Normal body weight: BMI 18.5–24.9 kg/m2.