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Table 2 Baseline and 12-week change in weight, energy, macronutrient, and diet quality scores in overweight/obese adults (n = 289)

From: Participants in an online weight loss program can improve diet quality during weight loss: a randomized controlled trial

  Baselinea Change from Baseline Difference between groups for change from Baseline
  Control Basic Enhanced Control Basic Enhanced  
Variable Mean ± Standard Deviation P Value
Weight (kg) 93.8 ± 13.9 95.3 ± 15.2 93.5 ± 13.5 0.4 ± 2.4 -2.2 ± 3.4# -3.0 ± 4.0# <0.001
Weight (%)     0.4 ± 2.5 -2.3 ± 3.6# -3.3 ± 4.3# <0.001
BMI (kg/m2)b 32.2 ± 3.9 32.4 ± 3.6 32.4 ± 4.30 0.1 ± 0.1 -0.7 ± 0.1# -1.0 ± 0.1# <0.001
Energy (kJ/day) 10,409 ± 3,287 9,982 ± 3,201 10,260 ± 3,288 -865.4 ± 2,260 -1,032 ± 2,519 -1,367 ± 2,204 0.31
Protein (%) 18.2 ± 3.2 18.7 ± 3.30 18.5 ± 3.30 1.0 ± 2.5 1.1 ± 2.7 1.4 ± 2.7 0.56
CHO (%)c 46.2 ± 6.7 45.2 ± 6.50 46.1 ± 7.80 -1.0 ± 4.7 -0.5 ± 4.0 -0.6 ± 4.7 0.74
Fat (%) 31.3 ± 5.0 31.3 ± 5.30 32.0 ± 5.50 -0.2 ± 4.0 -0.6 ± 0.4 -1.4 ± 4.6 0.12
Sat Fat (%)d 13.4 ± 2.7 13.4 ± 2.80 13.9 ± 2.70 -0.4 ± 2.1 -0.6 ± 2.3 -1.1 ± 2.6 0.17
Fiber (g/day) 27.7 ± 9.0 27.7 ± 8.70 28.7 ± 9.60 -2.0 ± 6.5 -0.6 ± 7.3 -1.1 ± 6.3 0.34
Total ARFS e 32.6 ± 9.0 33.9 ± 10.3 33.8 ± 9.90 0.1 ± 6.6 0.2 ± 5.5 2.2 ± 5.7# <0.05
Vegetable 12.7 ± 4.5 12.8 ± 4.60 12.9 ± 4.30 -0.2 ± 3.7 0.0 ± 2.4 0.5 ± 2.7 0.26
Fruit 4.8 ± 2.9 5.0 ± 3.2 5.1 ± 3.1 -0.1 ± 2.2 0.1 ± 1.8 0.6 ± 2.4 0.08
Meat 2.7 ± 1.4 2.7 ± 1.3 2.7 ± 2.7 0.3 ± 1.2 0.2 ± 1.1 0.5 ± 1.1 0.31
Vegetarian Altf 1.7 ± 1.2 1.8 ± 1.3 1.7 ± 1.2 -0.1 ± 1.1 0.0 ± 0.9 0.0 ± 1.0 0.88
Wholegrain 5.1 ± 2.1 5.2 ± 2.0 5.1 ± 2.0 -0.1 ± 1.7 0.0 ± 1.4 0.3 ± 1.4 0.09
Dairy 4.1 ± 1.7 4.6 ± 2.0 4.6 ± 1.7 0.1 ± 1.5 -0.1 ± 1.5 0.2 ± 1.4 0.26
Water 0.4 ± 0.5 0.5 ± 0.5 0.5 ± 0.5 0.1 ± 0.4 0.1 ± 0.4 0.2 ± 0.5 0.61
Condiments 1.0 ± 0.7 1.3 ± 0.8 1.2 ± 0.8 0.0 ± 0.7 -0.1 ± 0.6 -0.1 ± 0.7 0.26
  1. aNo significant difference among groups at baseline.
  2. bBMI = Body Mass Index.
  3. cCHO = Carbohydrate.
  4. dSat Fat = Saturated Fat.
  5. eARFS = Australian Recommended Food Score.
  6. fVegetarian Alt = Vegetarian Alternatives.
  7. #Statistically significant from the change in the control group.