Table 5.

Test–retest reliability of the CHU9D dimensions, among school children in grades 1–9, and stratified by school stages (n = 242)

Dimensions	Spearman correlation				Coefficient (weighted Kappa)
	All	School stages			All	School stages
		Grades 1–3	Grades 4–6	Grades 7–9		Grades 1–3	Grades 4–6	Grades 7–9
Worried	0.49	0.44	0.33	0.49	0.39	0.41	0.27	0.38
Sad	0.57	0.46	0.42	0.70	0.49	0.37	0.32	0.62
Pain	0.42	0.50	0.34	0.46	0.32	0.40	0.25	0.34
Tired	0.56	0.74	0.54	0.36	0.47	0.61	0.43	0.32
Annoyed	0.43	0.24	0.54	0.36	0.35	0.17	0.37	0.32
Schoolwork	0.63	0.52	0.47	0.57	0.54	0.43	0.46	0.47
Sleep	0.48	0.44	0.48	0.51	0.42	0.34	0.42	0.45
Daily routine	0.41	0.33	0.23	0.61	0.39	0.33	0.26	0.54
Activities	0.50	0.41	0.41	0.63	0.40	0.32	0.38	0.45

All correlations and agreements were all statistically significant (p < 0.05)