Clinical Study

Physical Activity Is Associated with Weight Loss and Increased Cardiorespiratory Fitness in Severely Obese Men and Women Undergoing Lifestyle Treatment

Table 1

Baseline characteristics and change values for the group with valid training diaries. (Mean ± SD 𝑛 ; when different from the total in each group). WC: waist circumference; BMI: body mass index; VO2max: estimated maximal oxygen consumption; EE: energy expenditure.

Valid training diariesMenWomenP between sexes

Baseline
𝑁 351025
 Age 4 7 . 9 ± 8 . 8 4 8 . 8 ± 8 . 6 4 7 . 5 ± 9 . 0 .694
 Height (cm) 1 6 8 . 8 ± 9 . 5 1 7 8 . 8 ± 8 . 1 1 6 4 . 8 ± 6 . 8 .000
 Weight (kg) 1 2 3 . 4 ± 2 0 . 9 1 3 4 . 9 ± 2 2 . 3 1 1 8 . 7 ± 1 8 . 8 .036
 WC (cm) 1 2 5 . 8 ± 1 3 . 4 [ 𝑛 = 3 0 ] 1 3 4 . 6 ± 1 7 . 1 [ 𝑛 = 8 ] 1 2 2 . 6 ± 1 0 . 5 [ 𝑛 = 2 2 ].056
 BMI (kg/m2) 4 3 . 2 ± 5 . 1 4 2 . 0 ± 4 . 5 4 3 . 6 ± 5 . 3 .400
 VO2max (L/min) 2 . 3 7 ± 0 . 5 7 2 . 8 1 ± 0 . 6 8 2 . 1 8 ± 0 . 4 1 .004
 VO2max (mL/kg/min) 1 9 . 5 ± 5 . 0 2 1 . 5 ± 5 . 8 1 8 . 7 ± 4 . 6 .171

Change to 10 months
 Weight 1 0 . 7 3 ± 7 . 0 5 1 0 . 6 7 ± 7 . 5 2 1 0 . 7 6 ± 7 . 0 1 .975
 WC 9 . 2 2 ± 7 . 1 8 [ 𝑛 = 2 8 ] 7 . 7 1 ± 7 . 2 9 [ 𝑛 = 7 ] 9 . 7 2 ± 7 . 2 5 [ 𝑛 = 2 1 ].531
 VO2max (L/min) 0 . 1 7 ± 0 . 4 8 [ 𝑛 = 3 0 ] 0 . 2 0 ± 0 . 6 2 [ 𝑛 = 8 ] 0 . 1 6 ± 0 . 4 4 [ 𝑛 = 2 2 ].855
 VO2max (mL/kg/min) 3 . 5 4 ± 4 . 5 4 [ 𝑛 = 3 0 ] 3 . 5 4 ± 4 . 5 4 [ 𝑛 = 8 ] 3 . 4 1 ± 4 . 5 2 [ 𝑛 = 2 2 ].800

Physical activity
 Duration (min/week) 4 0 3 ± 1 7 1 5 0 6 ± 1 9 8 3 6 1 ± 1 4 3 .022
 Intensity (RPE) 1 3 . 9 ± 1 . 4 1 3 . 8 ± 0 . 9 1 3 . 9 ± 1 . 6 .855
 EE (kcal/week) 3 7 5 1 ± 1 9 2 8 5 3 1 3 ± 2 1 9 1 3 1 8 3 ± 1 5 0 6 .005

Mode of activity
 Walking (%) 5 7 . 7 ± 2 3 . 2 5 9 . 7 ± 2 8 . 5 5 7 . 0 ± 2 1 . 3 .759
 Bicycling (%) 1 1 . 7 ± 1 9 . 2 1 9 . 1 ± 2 6 . 9 8 . 7 ± 1 4 . 8 .483
 Swimming (%) 1 3 . 2 ± 9 . 8 1 0 . 9 ± 8 . 6 1 4 . 1 ± 1 0 . 3 .398
 Strength training (%) 1 2 . 2 ± 1 1 . 3 8 . 7 ± 7 . 1 1 3 . 6 ± 1 2 . 4 .250
 Other (%) 5 . 3 ± 6 . 9 1 . 7 ± 2 . 8 6 . 7 ± 7 . 5 .031