Table 1 Descriptive data of participants and summary of physiological baseline measurements
From: Particulate matter exposure and health impacts of urban cyclists: a randomized crossover study
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 |