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Table 1 Participant characteristics by sex

From: Cardiorespiratory fitness levels and associations with physical activity and body composition in young South African adults from Soweto

  Male (n = 218) Female (n = 191) P value
Weight (kg) 62.5 (61.1, 63.8) 61.3 (59.4, 63.2) 0.32
Height (m) 1.72 (1.71, 1.73) 1.60 (1.59, 1.61) <0.001*
BMI (kg/m2) 21.02 (20.6, 21.4) 23.85 (23.2, 24.6) <0.001*
BMI category (%) <0.001*
 Underweight 17 12  
 Normal 75 53  
 Overweight 6 26  
 Obese 2 9  
Fitness    
 VO2max (mlO2/kg/min) 41.9 (41.3, 42.6) 32.6 (31.9, 33.2) <0.001*
Physical Activity Male (n = 137) Female (n = 119)  
 Physical activity (cpm) 549 (525, 603) 306 (290, 327) <0.001*
 Sedentary (min/day) 541 (541, 567) 575 (568, 597) <0.01*
 Light intensity (min/day) 128 (126, 141) 132 (126, 140) 0.69
 Moderate intensity (min/day) 78 (73, 85) 42 (37, 43) <0.001*
 Vigorous intensity (min/day) 5 (6, 9) 1 (1, 1) <0.001*
 MVPA (min/day) 83 (80, 94) 43 (38, 44) <0.001*
Active CDC (%) <0.001*
 Active 96 83  
 Inactive 4 17  
Active WHO (%) <0.001*
 Active 40 20  
 Inactive 60 80  
  1. *p < 0.01 between groups
  2. Data are mean(CI), or median(CI) for physical activity variables unless otherwise stated
  3. BMI Body mass index, cpm counts per minute, MVPA Moderate to vigorous physical activity