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

Table 7 Nutrition and physical activity policies – means, reliability and validity

	Reliability					Validity
	Mean T1 (SD)	Mean T2 (SD)	P_value	ICC1	ICC2	Mean Obs	Corr (T1 – Obs)	P_value (T1 – Obs)
Total nutrition policies
Written	7.49 (6.29)	8.58 (7.70)	0.61	0.76	0.86	6.72 (5.40)	0.27	0.67
General practice	12.20 (6.34)	12.40 (6.92)	0.89	0.70	0.83
Total physical activity policies
Written	8.09 (6.24)	8.89 (7.51)	0.58	0.87	0.93	4.57 (5.06)	0.27	0.04
General practice	10.96 (6.01)	11.33 (7.74)	0.80	0.79	0.88

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

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