Table 1.
Characteristics by sex for 122 participants with at least one physical activity measure and a measure of DNA damage in the VITAL validity/biomarker sub-study
| Males N=67 | Females N=55 | |
|---|---|---|
| N (%)a | N (%)a | |
|
|
||
| Race | ||
| Non-Hispanic White | 63 (94.0) | 53 (96.4) |
| Other | 4 (6.0) | 2 (3.8) |
| Education | ||
| Less than college graduate | 24 (35.8) | 30 (54.6) |
| College graduate or advanced degree | 43 (64.2) | 25 (45.5) |
| Current Cigarette smoker | ||
| Yes | 3 (4.5) | 5 (9.1) |
| No | 64 (95.5) | 50 (90.9) |
| Alcohol in the past month | ||
| Any | 50 (75.8) | 37 (67.3) |
| None | 16 (24.2) | 18 (32.7) |
| History of diabetes or cardiovascular disease | ||
| Yes | 12 (17.9) | 3 (5.5) |
| No | 55 (82.1) | 52 (94.5) |
| Current multivitamin use | ||
| Yes | 33 (49.3) | 39 (70.9) |
| No | 34 (50.8) | 16 (29.1) |
| Mean (SD) | Mean (SD) | |
|
|
||
| Age (years) | 59.9 (7.5) | 62.2 (7.8) |
| BMI (kg/m2) | 27.6 (4.3) | 25.3 (4.5) |
| MET-hours per week of walking | 4.1 (5.0) | 4.6 (5.1) |
| MET-hours per week of stair-climbing | 2.3 (1.7) | 1.9 (1.9) |
| MET-hours per week of moderate+high intensity activity | 9.9 (14.7) | 5.9 (9.2) |
| MET-hours per week of high intensity activity | 6.8 (12.4) | 3.3 (7.1) |
| MET-hours per week of total activity | 18.7 (17.7) | 13.5 (11.1) |
| Olive tail moment for baseline DNA damage | 3.0 (2.7) | 3.5 (3.7) |
| Olive tail moment for DNA repair capacity (%) | 38.4 (12.3) | 40.1 (18.7) |
| Olive tail moment for DNA repair capacity (%) | 61.5 (13.9) | 64.2 (15.7) |
a
N’s may not sum to 122 due to missing data, %’s may not sum to 100% due to rounding
BMI: Body Mass Index