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Table 3 Tracking and odds ratio of being in the highest tertile by intervention and control

From: Tracking of fruit, vegetables and unhealthy snacks consumption from childhood to adulthood (15 year period): does exposure to a free school fruit programme modify the observed tracking?

 

Tracking**

 

Intervention

Control

Tracking coefficient

95% CI

Tracking coefficient

95% CI

p-value for interaction*

Fruit: Times/week

 Baseline-follow-up 5

0.33

0.28, 0.39

0.33

0.29, 0.37

0.874

 Follow-up 1 -follow-up 5

0.36

0.29, 0.43

0.39

0.34, 0.43

0.609

 Follow-up 2 -follow-up 5

0.39

0.29, 0.49

0.37

0.31, 0.44

0.822

Vegetables: Times/week

 Baseline-follow-up 5

0.36

0.32, 0.40

0.37

0.32, 0.43

0.603

 Follow-up 1 -follow-up 5

0.34

0.29, 0.38

0.39

0.32, 0.46

0.161

 Follow-up 2 -follow-up 5

0.35

0.28, 0.42

0.48

0.38, 0.59

0.035

Unhealthy snacks: Times/week

 Baseline-follow-up 5

0.44

0.40, 0.48

0.40

0.33, 0.47

0.322

 Follow-up 1 -follow-up 5

0.46

0.39, 0.53

0.38

0.33, 0.42

0.036

 Follow-up 2 -follow-up 5

0.34

0.23, 0.44

0.38

0.32, 0.43

0.511

Fruit: Portions/day

 Baseline-follow-up 5

0.33

0.27, 0.39

0.18

0.15, 0.21

< 0.001

 Follow-up 1 -follow-up 5

0.29

0.23, 0.35

0.19

0.15, 0.24

0.013

 Follow-up 2 -follow-up 5

0.33

0.23, 0.43

0.26

0.18, 0.33

0.231

Vegetables: Portions/day

 Baseline-follow-up 5

0.13

0.10, 0.17

0.16

0.10, 0.22

0.493

 Follow-up 1 -follow-up 5

0.17

0.19, 0.23

0.30

0.21, 0.38

0.013

 Follow-up 2 -follow-up 5

0.27

0.18, 0.37

0.24

0.08, 0.38

0.662

Longitudinal prediction of being in the highest tertile of intake***

OR

95% CI

OR

95% CI

p-value for interaction*

Fruit: Times/week

 From baseline

2.50

1.90, 3.30

2.70

2.24, 3.27

0.650

 From follow-up 1

2.31

1.65, 3.23

3.32

2.67, 4.14

0.074

 From follow-up 2

2.71

1.70, 4.32

2.56

1.84, 3.58

0.533

Fruit: Portions/day

 From baseline

3.15

2.34, 4.23

2.65

2.13, 3.28

0.347

 From follow-up 1

3.10

2.20, 4,33

2.15

1.61, 2.87

0.110

 From follow-up 2

2.00

1.20, 3.32

2.61

1.76, 4.09

0.436

Snacks: Times/week

 From baseline

4.18

3.11, 5.62

4.81

3.93, 5.88

0.608

 From follow-up 1

4.76

3.38, 6.70

4.46

3.51, 5.68

0.762

 From follow-up 2

2.67

1.55, 4.60

5.90

4.12, 8.44

0.017

Vegetables: Times/week

 From baseline

3.08

2.32, 4.11

2.47

2.03, 3.01

0.209

 From follow-up 1

3.23

2.32, 4.48

3.01

2.40, 3.79

0.740

 From follow-up 2

3.84

2.34, 6.28

2.94

2.08, 4.16

0.389

Vegetables: Portions/day

 From baseline

1.82

1.37, 2.41

1.78

1.47, 2.17

0.941

 From follow-up 1

2.41

1.69, 3.43

1.69

1.30, 2.19

0.112

 From follow-up 2

1.75

1.09, 2.80

2.24

1.54, 3.26

0.418

  1. All analysis was adjusted for sex and parental education
  2. *interaction < 0.1 is considered significant
  3. **Performed by Mixed Models
  4. ***Performed by GEE
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International Journal of Behavioral Nutrition and Physical Activity

ISSN: 1479-5868

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