Table 1.
Baseline demographics and characteristics by category
| 5% or greater reduction in sedentary time ( N = 27) | 0–4.99% reduction ( N = 29) | Increase in sedentary time ( N = 40) | P -value | |
|---|---|---|---|---|
| Female sex% | 74.0 (20) | 51.7 (15) | 65.0 (26) | 0.22 |
| Current smoker% | 7.4 (2) | 6.8 (2) | 10.0 (4) | 0.76 |
| History of diabetes% | 0 (0) | 0 (0) | 2.5 (1) | 0.49 |
| History of hypertension% | 33.3 (9) | 31.0 (9) | 30.0 (12) | 0.96 |
| Caucasian% | 92.6 (25) | 93.1 (27) | 100.0 (40) | 0.38 |
| Age (years) | 62.22±5.7 | 62.8±6.6 | 62.3±7.3 | 0.94 |
| Weight (kg) | 82.0±17.4 | 88.3±16.8 | 82.3±20.7 | 0.35 |
| Body mass index (kg/m 2 ) | 29.4±5.4 | 30.0±6.1 | 29.4±6.3 | 0.94 |
| Waist circumference (cm) | 100.3±14.7 | 101.2±11.8 | 100.7±15.4 | 0.97 |
| Glucose (mg/dl) | 88.2±8.2 | 89.0±7.6 | 94.8±23.9 | 0.21 |
| Insulin (µU/l) | 12.7±6.5 | 14.4±7.5 | 15.8±9.0 | 0.32 |
| Total cholesterol (mg/dl) | 131±35 | 136±30 | 129±35 | 0.69 |
| Triglycerides | 89±42 | 72±27 | 83±26 | 0.12 |
| HDL cholesterol (mg/dl) | 43±18 | 46±10 | 40±16 | 0.29 |
| LDL cholesterol (mg/dl) | 71±34 | 77±31 | 71±37 | 0.74 |
| hsCRP (mg/dl) | 2.9±3.3 | 2.9±2.1 | 4.1±5.1 | 0.34 |
| Systolic blood pressure | 129±16 | 131±12 | 130±14 | 0.93 |
| Diastolic blood pressure | 68±8 | 71±7 | 68±8 | 0.15 |
| Heart rate (bpm) | 65±8 | 65±11 | 61±9 | 0.17 |
| QUICKI | 0.3±0.0 | 0.3±0.0 | 0.3±0.0 | 0.24 |
| HOMA-IR | 2.8±1.4 | 3.2±1.8 | 3.9±2.7 | 0.12 |
| Trial randomization group | ||||
| Control ( N ) | 6 | 8 | 21 | 0.06 |
| Pedometer alone ( N ) | 13 | 10 | 9 | |
| Pedometer + website ( N ) | 8 | 10 | 11 |
Abbreviations: HDL, high-density lipoprotein; HOMA-IR, homeostatic model of assessment-insulin resistance; hsCRP, high-sensitivity C-reactive protein; LDL, low-density lipoprotein; QUICKI, quantitative insulin sensitivity check test.