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Table 2 Means, standard deviations, effect sizes and mixed model ANOVA to analyze the impact of the program on the intervention (n = 144) vs comparison (n = 49) groups

From: Reciprocal effects among changes in weight, body image, and other psychological factors during behavioral obesity treatment: a mediation analysis

 

Baseline

12 Months

 

Time × Group

Variables

M ± SD

M ± SD

ES

F

p

Weight (kg)

     

Comparison

79.7 ± 12.6

78.7 ± 12.3

-0.09

16.79

<.001

Intervention

80.7 ± 12.2

76.1 ± 12.1

-0.38

  

Body Image

     

   Body size dissatisfaction

     

Comparison

2.5 ± 0.8

2.2 ± 0.8

-0.41

12.11

<.001

Intervention

2.4 ± 0.7

1.6 ± 0.7

-1.08

  

   Body shape concerns

     

Comparison

99.0 ± 22.1

85.2 ± 24.2

-0.60

2.45

0.120

Intervention

96.5 ± 27.7

76.1 ± 26.4

-0.75

  

Quality of Life

     

   Weight-Related QOL

     

Comparison

73.8 ± 13.9

82.2 ± 12.2

0.64

0.22

0.639

Intervention

79.5 ± 13.5

87.0 ± 10.3

0.63

  

Subjective Well-Being

     

   Self-esteem

     

Comparison

33.0 ± 4.1

34.3 ± 4.5

0.31

2.18

0.140

Intervention

30.5 ± 4.4

32.8 ± 4.4

0.52

  

   Depression

     

Comparison

6.8 ± 4.6

3.8 ± 3.5

-0.75

0.50

0.480

Intervention

6.6 ± 4.7

4.4 ± 4.4

-0.49

  
  1. Note: ES – effect size. QOL – Quality of Life.