Table 3.
Lifestyle Score (LS) components expected to be associated with decreased CRC risk among NIH-AARP cohort members with colonoscopy screening history
| Score Variables (sex-specific cutoffs)* | Colonoscopy in past 3 years | |
|---|---|---|
| No (N=45,751) | Yes (N=22,780) | |
|
| ||
| N (row %) | N (row %) | |
| Physical activity** | ||
| Never or Rarely | 10,895 (69.2) | 4,840 (30.8) |
| 1–3 Hours per Week | 11,528 (67.2) | 5,637 (32.8) |
| 4–7 Hours per Week | 11,643 (64.7) | 6,350 (35.3) |
| >7 Hours per Week | 11,685 (66.2) | 5,953 (33.8) |
| Milk consumption (g/day) | ||
| Lower 25% (≤ 69 M, ≤49 F) | 11,867 (68.8) | 5,375 (31.2) |
| 25–50% (70–173 M, 49–150 F) | 11,282 (65.3) | 6,000 (34.7) |
| 50–75% (174–367 M, 151–332 F) | 11,294 (65.7) | 5,896 (34.3) |
| Upper 25% (>367 M, >332 F) | 11,308 (67.2) | 5,509 (32.8) |
| Calcium intake (mg/day) | ||
| Lower 25% (≤585 M, ≤514 F) | 12,114 (68.5) | 5,557 (31.5) |
| 25–50% (586–769 M, 515–690 F) | 11,548 (66.0) | 5,935 (34.0) |
| 50–75% (770–1036 M, 691–943 F) | 11,321 (65.9) | 5,861 (31.1) |
| Upper 25% (>1036 M, >943 F) | 10,768 (66.5) | 5,427 (33.5) |
| Fiber intake (g/day) | ||
| Lower 25% (≤15.8 M, ≤13.4 F) | 12,455 (71.0) | 5,098 (29.0) |
| 25–50% (20.3–15.9 M, 17.2–13.5 F) | 11,299 (66.5) | 5,681 (33.5) |
| 50–75% (20.4–26.0 M, 21.8–17.3 F) | 10,969 (64.9) | 5,923 (35.1) |
| Upper 25% (>26.0 M, >21.8 F) | 11,028 (64.5) | 6,078 (35.5) |
*
M = males, F = females
**
The same cutoffs used for males and females