Table 1

Participants’ characteristics, health and fitness status in runners and controls

Runners (n=15)Controls (n=15)P value
Age (year)27.0 (25.0–30.0)26.0 (24.0–28.0)0.390
Height (cm)169.5 (164.0–178.0)173.0 (168.0–178.0)0.349
Weight (kg)55.8 (54.0–61.4)64.5 (62.0–72.5)<0.001*
BMI (kg/m2)19.7 (19.1–21.2)22.0 (20.7–24.5)<0.001*
Fat mass (%)17.0 (16.2–19.4)30.4 (25.2–33.9)<0.001*
Fat mass (g)9134 (8163–10859)19 041 (15 939–22599)<0.001*
Fat-free mass (g)46 849 (46 011–51502)48 167 (43 952–49672)0.678
Fat-free mass (%)84.7 (82.7–85.3)71.5 (67.8–76.5)<0.001*
LEAF-Q (total score)7.0 (5.0–9.0)3.0 (1.0–5.0)0.002*
VO2max (mL/kg/min)64.0 (62.4–66.2)†44.7 (41.4–45.5)<0.001*
Endurance training (hours/wk)11.0 (9.0–15.0)1.0 (0.0–1.0)<0.001*
Training (hours/wk)12.0 (11.0–15.0)2.0 (1.0–3.5)<0.001*
  • Values are expressed as median (25, 75 percentiles).

  • P values refer to the difference between groups.

  • *p<0.05.

  • †Missing data from one participant.

  • BMI, body mass index; LEAF-Q, low energy availability in females questionnaire; VO2max, maximal oxygen consumption.;