Table 1.
Descriptive data of participants and summary of physiological baseline measurements
| Variable | Baseline mean [SD] or total | Range |
|---|---|---|
| Total participants (male, female) | 38 (28, 10) | – |
| Age (years) | Overall 29 [5.6]; median = 29 Male mean = 29 Female mean = 31 |
20–39 |
| BMI (kg/m2) | 22.8 [2.0]; median = 22.8 |
18.3–28.0 |
| Systolic BP (mmHg) | 117 [9] | 90–139 |
| Diastolic BP (mmHg) | 67 [6] | 52–83 |
| Reactive Hyperemia Index (RHI) | 2.02 [0.64] | 1.29–4.28 |
| CRP (mg/dL) | 0.85 [1.2] | 0.11–7.7 |
| IL-6 (pg/mL) | 3.6 [4.3] | 0.023–16 |
| 8-OHdG (ng/mL) | 0.20 [0.12] | 0.012–0.73 |
| # participants whose first trial was along the Downtown route | 17 | – |
| Morning test (session end by 12:30 pm) | 23 | – |
| Cold Questionnaire score (≥ 3 probable viral infections) | 0.4 [0.9] | 0–3 |