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Table 3 Variables Measured and Associated with Behaviour and Intention

From: Psychosocial determinants of fruit and vegetable intake in adult population: a systematic review

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

  1. 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.