Table 1.
Participant characteristics in categories of walking metabolic activity (n=2,971)
| Variable | ≤ 3.75 met-hr/wk (n=829) |
>3.75–7.5 met-hrs/wk (n=423) |
>7.5–15 met-hrs/wk (n=873) |
>15–22.5 met-hrs/wk (n=450) |
>22.5 met-hrs/wk (n=392) |
|---|---|---|---|---|---|
|
| |||||
| Age, years | 56.8±12.8 | 55.2±13.5 | 54.2±12.5 | 53.6±12.5 | 54.2±11.8 |
|
| |||||
| Women (n, %) | 550 (66.3%) | 257 (60.8%) | 492 (56.4%) | 243 (54.0%) | 243 (62.0%) |
|
| |||||
| Race (n, %) | |||||
| White | 576 (69.7%) | 362 (86.0%) | 725 (83.9%) | 390 (86.9%) | 340 (87.2%) |
| Black | 250 (30.3%) | 59 (14.0%) | 139 (16.1%) | 59 (13.1%) | 50 (12.8%) |
|
| |||||
| Marital status | |||||
| Never married | 77 (9.3%) | 28 (6.6%) | 47 (5.4%) | 29 (6.4%) | 23 (5.9%) |
| Married | 553 (66.7%) | 296 (70.0%) | 671 (76.9%) | 361 (80.2%) | 308 (78.6%) |
| Separated/divorced/widowed | 199 (24.0%) | 99 (23.4%) | 155 (17.8%) | 60 (13.3%) | 61 (15.6%) |
|
| |||||
| Total family Income | |||||
| <$25,000 | 226 (27.8%) | 85 (20.6%) | 126 (14.8%) | 54 (12.3%) | 47 (12.2%) |
| ≥$25,000 – <$75,000 | 409 (50.4%) | 215 (52.1%) | 456 (53.5%) | 233 (53.2%) | 204 (53.0%) |
| ≥$75,000 | 177 (21.8%) | 113 (27.4%) | 271 (31.8%) | 151 (34.5%) | 134 (34.8%) |
|
| |||||
| BMI, kg/m2 | 31.2±7.0 | 29.6±6.1 | 28.9±5.8 | 28.7±5.8 | 27.9±5.5 |
|
| |||||
| Hypertension (n, %) | 473 (57.1%) | 170 (40.2%) | 334 (38.2%) | 150 (33.3%) | 129 (32.9%) |
|
| |||||
| SBP (mmHg) | 126.6±23.5 | 122.4±19.0 | 120.9±20.7 | 119.0±17.8 | 118.9±19.8 |
|
| |||||
| DBP (mmHg) | 72.1±11.0 | 70.7±10.1 | 70.9±10.1 | 71.0±10.1 | 70.1±10.9 |
|
| |||||
| Diabetes Mellitus (n, %) | 138 (16.7%) | 38 (9.0%) | 97 (11.1%) | 35 (7.8%) | 35 (8.9%) |
|
| |||||
| Current Smokers (n, %) | 111 (13.4%) | 49 (11.6%) | 110 (12.6%) | 46 (10.2%) | 46 (11.7%) |
|
| |||||
| Pack years smoked | 9.1±19.6 | 8.4±18.1 | 9.0±17.7 | 9.0±18.2 | 8.3±15.8 |
|
| |||||
| Triglycerides (mg/dL) | 141.5±90.9 | 142.8±94.4 | 133.4±83.9 | 132.9±88.4 | 124.8±94.2 |
|
| |||||
| LDL Cholesterol (mg/dL) | 112.6±33.8 | 114.7±34.1 | 114.0±35.2 | 116.0±32.6 | 111.9±32.0 |
|
| |||||
| Average hours of TV/computer per day | 3.3±2.5 | 2.7±2.0 | 2.6±1.7 | 2.4±1.7 | 2.2±1.4 |
|
| |||||
| Alcoholic drinks per week, # | 2.6±6.6 | 3.7±7.7 | 3.8±6.8 | 4.0±8.3 | 5.3±13.2 |
BMI = body mass index, LDL = low density lipoprotein
Characteristics are shown as follows: mean ± standard deviation for continuous variables and frequencies (percentages) for categorical variables.