Skip to main content

Table 1 Baseline and change scores for parental and family covariates and child outcomes

From: Change in the family food environment is associated with positive dietary change in children

Family food environment variables

Maximum possible score

Cronbach alpha (α)

Baseline1

Change2

 
   

Mean

SD

Mean

SD

Min

Max

Effect Size3

Model 2: Knowledge and attitudes

         

  Dairy messages

3

 

1.3

0.9

0.5

1.1

-2.0

3.0

0.43

  Nutrition knowledge

113

0.81

75

12

3

8

-29

21

0.33

  Perceived responsibility

5

0.94

4.2

0.9

0.0

0.8

-2.0

4.0

0.00

  Perceived fresh food availability

5

0.81

4.2

0.6

-0.1

0.6

-1.5

2.0

-0.09

  Perceived adequacy of child's diet

5

0.93

3.9

0.8

0.0

0.6

-1.0

4.0

0.08

  Parent’s meal preparation views

5

0.78

3.8

0.6

-0.1

0.6

-2.4

1.2

-0.16

  Concern for weight

5

0.87

2.3

1.2

-0.1

0.9

-3.0

4.0

-0.13

Model 3: Parent shaping practices

         

  Teaching and encouraging child about food

5

0.80

4.2

0.4

0.0

0.4

-0.8

1.2

-0.06

  Restriction

5

0.81

3.4

0.9

0.1

0.8

-1.5

3.8

0.07

  Pressure to eat

5

0.72

2.5

1.0

-0.2

0.8

-2.8

2.3

-0.20

  Monitoring

5

0.96

4.0

0.9

-0.1

0.7

-2.0

2.3

-0.14

Model 4: Parent behaviours and role modelling

         

  Food involvement

7

0.62

5.0

0.6

0.0

0.7

-2.7

3.5

0.05

  Family involvement in meal preparation

5

0.60

2.6

0.6

-0.1

0.4

-1.3

1.0

-0.19

  Role modelling eating behaviours

5

0.83

4.1

0.7

0.0

0.4

-0.8

1.6

-0.03

  TV interruptions to meals

5

0.87

2.7

1.4

-0.2

0.7

-3.5

2.0

-0.24

Energy (kJ)

  

8040

1721

-256

1573

-3985

5158

-0.16

Saturated fat (% of energy)

  

15.3

2.7

-2.1

3.7

-13

5

-0.57

  1. 1 Baseline differences between treatment groups was assessed using Independent t test. *Significance p<0.05.
  2. 2 Change=follow-up minus baseline. Therefore a positive change value reflects an increase from baseline to follow-up.
  3. 3 Effect size estimate = mean change/change in SD [30].