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Table 4 Change in control and intervention group after six months

From: The transtheoretical model is an effective weight management intervention: a randomized controlled trial

Variables

Usual care control group (n = 35)

Intervention group (n = 51)

Baseline

After six months

p value

Baseline

After six months

p value

n

Values

n

Values

n

Values

n

Values

Dieting behaviors

 Number of daily meals

35

4.8

± .97

35

4.4

± 1.1

.0081

51

4.5

± 1.0

51

4.8

± 0.9

.031

 Daily per capita sugar (g)

35

33.3

8.3–66.7

35

41.7

13.9–66.7

.712

51

28.3

12.5–55.5

51

25.0

0.0–41.7

.012

 Stage for portion control (%)

      

1.003

      

.013

  Pre-action

10

28.6

 

9

25.7

 

14

27.4

 

7

13.7

 

  Action

25

71.4

 

26

74.3

 

37

72.5

 

44

86.3

 

Food intake

 SFA (%)

35

7.7

5.6–10.5

35

10.1

7.4–13.7

0.0012

51

8.4

7.8–10.5

51

10.7

8.4–13.7

<.0012

 MUFA (%)

35

8.3

6.1–10.3

35

10.3

7.2–13.5

.012

51

8.3

7.5–9.3

51

9.4

7.8–3.2

.0062

Anthropometry

 Waist circumference (cm)

35

97.0

91.7–102.0

35

96.5

82.0–102.0

.812

51

94.0

88.3–99.0

51

92.5

88.0–97.0

.012

 Weight (Kg)

35

80.2

± 12.3

35

81.1

± 11.5

.091

51

80.4

± 11.9

51

79.9

± 11.6

.091

 BMI (kg/m2)

35

32.0

30.7–34.6

35

32.9

30.8–34.8

.052

51

33.0

31.0–34.9

51

32.7

31.0–35.0

.112

Biochemical parametersa

 Blood glucose (mg/dl)

35

92.5

86.7–101.0

35

90.1

79.0–101.0

.832

51

85.6

81.4–90.7

51

82.7

72.6–87.0

.012

  1. Note: MUFA, monounsaturated fatty acids; SFA, saturated fatty acids. BMI, body mass index. 1paired Student t test; 2Wilcoxon test, 3McNemar test. aSub-sample. Symmetric variables: mean ± standard deviation; asymmetric: median (P25 - P75)