Table 3

Variables Measured and Associated with Behaviour and Intention

Variables Measured

Fruit and Vegetable Intake

Fruit Intake

Vegetable Intake

Number of times

Ratio

Number of times

Ratio

Number of times

Ratio

Prediction of Behaviour

Assessed

Significant

(%)

Assessed

Significant

(%)

Assessed

Significant

(%)

Habit

3

3

100

3

3

100

2

2

100

Motivation and goals

5

4

80.0

6

3

50.0

4

2

50.0

Beliefs about capabilities

13

10

76.9

10

7

70.0

8

5

62.5

Knowledge

8

5

62.5

4

2

50.0

4

2

50.0

Beliefs about consequences

11

5

45.4

9

3

33.3

8

2

25.0

Social influences

8

3

37.5

8

1

12.5

7

0

0

Context and life experiences

7

2

28.6

3

1

33.3

3

1

33.3

Taste

4

1

25.0

4

1

25.0

4

2

50.0

Sociodemographic variables

10

2

20.0

6

2

33.3

5

1

20.0

Social role and identity

2

0

0

1

0

N/A

1

0

N/A

Health Value

1

0

N/A

1

0

N/A

1

0

N/A

Behavioural regulation

1

1

N/A

1

1

N/A

1

1

N/A

Prediction of Intention

Beliefs about consequences

2

2

100

4

3

75.0

3

3

100

Beliefs about capabilities

2

2

100

4

4

100

3

3

100

Social influences

2

1

50.0

4

3

75.0

3

2

66.7

Context and life experiences

1

0

N/A

0

0

N/A

1

0

N/A

Habit

0

0

N/A

1

1

N/A

0

0

N/A

Sociodemographic variables

0

0

N/A

1

1

N/A

0

0

N/A

Note: Ratio = (Significant/Assessed) × 100; Significant: p < 0.05; N/A: not computed because it was assessed only once; 20 studies enabling calculation of a ratio were included.

Guillaumie et al. International Journal of Behavioral Nutrition and Physical Activity 2010 7:12   doi:10.1186/1479-5868-7-12