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Table 1 Baseline Characteristics

From: Electronic feedback in a diet- and physical activity-based lifestyle intervention for weight loss: a randomized controlled trial

Characteristics* Total (n = 197) Standard Care† (n = 50) GWL† (n = 49) SWA-alone† (n = 49) GWL+SWA† (n = 49)
  (mean (SD) or N(%)) (mean (SD) or N(%)) (mean (SD) or N(%)) (mean (SD) or N(%)) (mean (SD) or N(%))
Age (years) 46.9 (10.8) 47.2 (8.9) 46.8 (12.4) 47.7 (11.6) 45.7 (10.4)
Female (%) 161 (81.7) 42 (84.0) 39 (79.6) 40 (81.6) 40 (81.6)
Race (%)      
   White 131 (66.8) 30 (60.0) 33 (68.8) 33 (67.4) 35 (71.4)
   Black 63 (32.1) 19 (38) 14 (29.2) 16 (32.7) 14 (28.6)
   Other 2 (1.0) 1 (2.0) 1 (2.1) 0 (0.0) 0 (0.0)
College degree, 4 years (%) 152 (77.2) 37 (74.0) 40 (81.6) 39 (79.6) 36 (73.5)
Weight (kg) 92.8 (18.4) 94.2 (18.2) 93.2 (18.6) 92.0 (21.0) 91.9 (15.7)
Waist Circumference (cm) 99.7 (13.9) 100.1 (13.2) 101.2 (13.0) 98.5 (15.4) 98.9 (14.3)
Body mass index 33.3 (5.2) 33.7 (5.5) 33.1 (4.8) 33.2 (5.4) 33.0 (5.0)
% Body Fat 38.4 (5.3) 38.9 (4.7) 38.1 (5.8) 38.3 (5.3) 38.1 (5.3)
Mean Energy expenditure (kcals/day)‡ 2209.4 (502) 2137.1 (416.0) 2277.3 (563.5) 2233.7 (542.9) 2185.5 (473.4)
  1. *After bonferoni adjustments no significant differences were found.
  2. † Standard Care: received a manual containing weight loss information; GWL: group-based behavior change weight loss program; SWA-alone: armband only; GWL+SWA: group-based behavior change weight loss program plus SWA.
  3. ‡Only available in 182 participants