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Table 6 Nutrition and physical activity social environment – means, reliability, and validity

From: Use of the Environment and Policy Evaluation and Observation as a Self-Report Instrument (EPAO-SR) to measure nutrition and physical activity environments in child care settings: validity and reliability evidence

   

Reliability

Validity

Staff behavior

Source

Means (range day 1–4)

p-value means

ICC1

ICC4

Corr (avg)

Corr (days)

Avg dev

Dev as % of mean

During a meal/snack, the classroom teacher…

 Ate/drank an unhealthy food or beverage

Obs

1.18 –1.70

0.37

0.47

0.78

    
 

Avg staff

0.90 – 1.09

0.75

0.47

0.78

0.26

0.02 – 0.45

0.58

56.9

 Taught children about food eating

Obs

0.60 – 0.76

0.66

0.39

0.72

    
 

Avg staff

0.46 – 0.86

0.02

0.21

0.51

0.16

0.10 – 0.22

−0.03

4.1

 Sat with the children

Obs

1.02 – 1.42

0.33

0.48

0.79

    
 

Avg staff

1.53 – 1.78

0.47

0.51

0.81

0.28

0.21 – 0.36

−0.36

22.1

 Ate the same food as the children

Obs

1.06 – 1.44

0.21

0.44

0.76

    
 

Avg staff

1.06 – 1.18

0.90

0.60

0.86

0.46

0.38 – 0.53

0.30

26.1

 Ate fruit or vegetables in front of children

Obs

0.60 – 0.90

0.24

0.35

0.68

    
 

Avg staff

0.66 – 0.86

0.47

0.39

0.72

0.39

0.30 – 0.45

0.05

6.4

 Encouraged a child to eat more (3 items)

Obs

0.46 – 0.56

0.94

0.23

0.55

    
 

Avg staff

0.61 – 1.21

0.03

0.33

0.67

0.004

−0.11 – 0.04

−0.49

45.4

During play time, the…

 Teacher joined children active play (3 items)

Obs

1.36 – 1.88

0.42

0.32

0.48

    
 

Avg staff

0.52 – 0.71

0.10

0.43

0.75

0.42

0.22 – 0.50

−0.05

11.4

 Teacher read a book promoting activity

Obs

0.04 – 0.10

0.62

−0.14

−0.33

    
 

Avg staff

0.17 – 0.21

0.89

0.26

0.58

0.11

−0.01 – 0.39

–

–

 Children lost outside time (3 items)

Obs

0.05 – 0.09

0.41

0.29

0.46

    
 

Avg staff

0.05 – 0.13

0.01

0.16

0.44

0.25

0.07 – 0.35

−0.01

7.3

 Children received extra outside time (2 items)

Obs

0 – 0

–

–

–

    
 

Avg staff

0.02 – 0.05

0.74

0.16

0.43

–

–

–

–

 Children lost TV time (2 items)

Obs

0.00 – 0.01

0.51

−0.10

−0.22

    
 

Avg staff

0.01 – 0.02

0.46

0.35

0.69

0.16

−0.02 – 0.26

−0.01

38.4

 Children received extra TV time (2 items)

Obs

0.00 – 0.01

0.35

–

–

    
 

Avg staff

0.00 – 0.01

0.72

−0.04

−0.17

0.47

0.00 – 0.70

–

–

  1. P-values represent a statistical comparison of the equivalence of means for each day of reporting (means on days 1–4) for each reporter. P-values >0.05 indicate no statistical difference between means across days
  2. ICC intraclass correlation, Corr Pearson correlation, Dev Difference (observation – staff report)