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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)