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Table 3 Comparison of mean scores of awareness, attitude, perceived behavioral control, subjective norms, behavioral intention, physical activity performance, and nutritional performance of the women in the experimental and control groups before and six months after the educational intervention

From: The effect of educational intervention based on the theory of planned behavior on improving physical and nutrition status of obese and overweight women

Variable

Group

Pre-intervention M ± SD

Six months after intervention M ± SD

p-value

Awareness

Experimental

3.22 ± 8.12

2.39 ± 17.10

0.001

 

Control

3.12 ± 8.25

3.15 ± 8.32

0.257

 

Independent-sample T-test

0.202

0.001

 

Attitude

Experimental

4.48 ± 28.19

5.16 ± 62.20

0.001

 

Control

4.39 ± 27.55

4.13 ± 29.02

0.208

 

Independent-sample T-test

0.237

0.001

 

Perceived behavioral control

Experimental

4.93 ± 25.26

5.52 ± 60.18

0.001

 

Control

4.77 ± 26.19

4.21 ± 29.06

0.218

 

Independent-sample T-test

0.242

0.001

 

Subjective norms

Experimental

20.14 ± 4.15

4.86 ± 40.19

0.001

 

Control

22.01 ± 4.04

24.25 ± 4.11

0.24

 

Independent-sample T-test

0.233

0.001

 

physical activity behavioral intention

Experimental

18.18 ± 4.10

42.39 ± 4.50

0.001

 

Control

19.06 ± 4.03

21.03 ± 4.09

0.235

 

Independent-sample T-test

0.228

0.001

 

Nutritional behavioral intention

Experimental

19.80 ± 4.28

41.88 ± 4.35

0.001

 

Control

22.14 ± 4.83

20.86 ± 4.94

0.231

 

Independent-sample T-test

0.218

0.001

 

Physical activity performance

Experimental

7.12 ± 2.25

18.08 ± 1.81

0.001

 

Control

8.30 ± 2.18

9.95 ± 2.16

0.197

 

Independent-sample T-test

0.253

0.001

 

Nutritional performance

Experimental

7.01 ± 2.04

17.23 ± 2.14

0.001

 

Control

7.22 ± 2.10

8.13 ± 2.15

0.217

 

Independent-sample T-test

0.279

0.001

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