Baseline characteristics of the two groups
| Participant information | Baseline characteristics | |||
| Preconditioning | Specific focus training | |||
| Sch-I (n=419) | Sch-V (n =420) | Sch-I (n=221) | Sch- V (n=226) | |
| Gender | Female=261 (62%)/ male=158 (38%) | Female=260 (62%)/ male=160 (38%) | Female=136 (62%)/ male=85 (38%) | Female=138 (61%)/ male=88 (39%) |
| Age (years) | 39.1 (±10.4) | 39.1 (±10.1) | 39.6 (±10.3) | 39.4 (±9.6) |
| BMI (kg/m2) | 24.1 (±2.9) | 24.2 (±3.1) | 24.0 (±2.9) | 24.3 (±2.9) |
| Previous injury | No=190 (45%)/ yes=229 (55%) | No=194 (46%)/ yes=226 (54%) | No=104 (47%)/ yes=117 (53%) | No=107 (47%)/ yes=119 (53%) |
| Running experience (years) | 6 (IQR 3–10) | 5 (IQR 3–10) | 7 (IQR 3–15) | 6 (IQR 3–12) |
| General activity level | 2110 min/week (IQR 1224–3480) | 2302.5 min/week (IQR 1327.5–3672) | 2390 min/week (IQR 1465–3520) | 2372 min/week (IQR 1450–3573) |
| Preconditioning compliance | NA | NA | 87% (±16) | 89% (±19) |
Descriptive results are shown as total number (percentage), mean (±SD), median (IQR). Preconditioning compliance (completed session divided by scheduled session during the preconditioning period), general activity level (assessed using the Short Questionnaire to Assess Health-enhancing physical activity
BMI, body mass index; NA, not available; Sch-I, schedule intensity; Sch-V, schedule volume.