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Table 2 Least Square Means* across Time.

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

   Standard Care (n = 50) GWL (n = 49) SWA-alone (n = 49) GWL+SWA (n = 49)
   (mean (s.e.)) (mean (s.e.)) (mean (s.e.)) (mean (s.e.))
Weight (kg)‡ BL 102.22 (2.97) 101.84 (2.95) 101.15 (2.95) 100.32 (2.97)
  M4 101.23 (3.03) 100.74 (2.99) 98.48 (2.97) 96.83 (2.99)
  M9 101.32 (3.05) 99.98 (3.00) 97.60 (2.99) 93.73 (2.99)†
   P value BL vs. M4 0.32 0.23 0.003 <0.0001
  BL vs, M9 0.39 0.05 0.0002 <0.0001
Body mass index‡ BL 34.52 (0.91) 34.54 (0.90) 34.73 (0.90) 34.39 (0.91)
  M4 34.12 (0.93) 34.21 (0.92) 33.83 (0.91) 33.13 (0.91)
  M9 34.16 (0.94) 33.84 (0.92) 33.56 (0.92) 32.11 (0.92)
   P value BL vs. M4 0.25 0.31 0.003 <0.0001
  BL vs, M9 0.32 0.03 0.0005 <0.0001
Waist Circumference (cm)‡ BL 106.26 (2.19) 108.29 (2.18) 105.91 (2.18) 106.04 (2.19)
  M4 104.69 (2.26) 107.10 (2.23) 102.99 (2.21) 102.12 (2.21)
  M9 102.77 (2.28) 105.87 (2.24) 102.32 (2.23) 99.27 (2.22)
   P value BL vs. M4 0.09 0.17 0.0005 <0.0001
  BL vs, M9 0.0004 0.008 <0.0001 <0.0001
% Body Fat Baseline 36.37 (0.76) 36.69 (0.75) 36.57 (0.75) 36.46 (0.75)
  Month 4 34.40 (0.87) 33.19 (0.83) 33.17 (0.81) 32.93 (0.79)
  Month 9 33.12 (0.92) 32.37 (0.86) 32.38 (0.85) 31.42 (0.81)
   P value BL vs. M4 0.0002 <0.0001 <0.0001 <0.0001
  BL vs, M9 0.0001 <0.0001 <0.0001 <0.0001
  1. BL, baseline; M4, month 4; M9, month 9; s.e., standard error.
  2. *Estimates adjusted for age, gender, race, education, energy expenditure, and recruitment wave.
  3. †Significantly different from Standard Care.
  4. ‡Significant group*time interaction (all P ≤ 0.01)