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Table 3 Food and beverages served – 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

Food or beverage provision

Source

Means (range day 1–4)

p-value means

ICC 1-day

ICC 4-day

Corr (days)

Corr (avg)

Avg dev

Dev as % of mean

Food

 Total grains

Obs

2.75 – 2.96

0.49

0.16

0.42

0.14 – 0.35

0.25

0.20

7.9 %

 

Avg staff

2.27 – 2.73

0.02

0.25

0.57

    

 Meat or alternative

Obs

1.00 – 1.33

0.15

0.14

0.40

0.05 – 0.61

0.32

0.01

1.2 %

 

Avg staff

1.01 – 1.09

0.95

0.24

0.56

    

 Fruit (not juice)

Obs

1.38 – 1.71

0.11

0.28

0.61

0.05 – 0.64

0.53

0.13

9.2 %

 

Avg staff

1.20 – 1.48

0.38

0.32

0.65

    

 Vegetables (non-potatoes)

Obs

0.76 – 0.98

0.13

0.07

0.22

0.29 – 0.63

0.40

0.02

2.7 %

 

Avg staff

0.71 – 0.94

0.15

0.06

0.20

    

Beverages

 Milk

Obs

1.91 – 2.10

0.62

0.32

0.65

0.60 – 0.69

0.85

0.05

2.4 %

 

Avg staff

1.90 – 1.93

0.97

0.45

0.77

    

 100 % Fruit Juice (oz)

Obs

3.02 – 3.80

0.77

0.38

0.71

0.36 – 0.53

0.51

−0.77

18.0 %

 

Avg staff

3.55 – 4.61

0.37

0.36

0.70

    

 Water (oz)

Obs

3.12 – 3.35

1.00

0.61

0.86

0.48 – 0.58

0.63

−0.60

14.9 %

 

Avg staff

3.29 – 4.00

0.78

0.55

0.83

    
  1. All provisions are number of offerings, except FJ and water in ounces
  2. 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
  3. ICC Intraclass correlation, Corr Pearson correlation, Dev Difference (observation – staff report)