A psychometric evaluation of the interRAI Child and Youth Mental Health instruments (ChYMH) anxiety scale in children with and without developmental disabilities

Table 6 Descriptive statistics for the Anxiety Scale items

	Mean	95% CI	Variance	Skewness	Kurtosis	Item-Total Correlation
ChYMH Sample
1. Anxious complaints/ concerns	1.452	1.40–1.50	2.415	0.536	−1.276	.739
2. Unrealistic fears	0.974	0.93–1.02	1.839	1.151	−0.071	.693
3. Obsessive thoughts	0.970	0.92–1.02	2.009	1.154	−0.197	.672
4. Intrusive thoughts or flashbacks	.462	0.43–0.49	0.879	2.253	4.512	.494
5. Episodes of panic	.744	0.71–0.78	1.140	1.499	1.542	.622
6. Nightmares	.582	0.55–0.61	0.880	1.841	3.094	.493
ChYMH-DD Sample
1. Anxious complaints/ concerns	1.583	1.42–1.75	2.735	0.385	−1.524	.693
2. Unrealistic fears	0.837	0.71–0.97	1.679	1.398	0.631	.594
3. Obsessive thoughts	1.351	1.18–1.52	2.774	0.666	−1.296	.667
4. Intrusive thoughts or flashbacks	0.266	0.20–0.34	0.494	3.166	10.773	.415
5. Episodes of panic	0.742	0.63–0.86	1.294	1.534	1.382	.560
6. Nightmares	0.389	0.31–0.47	0.592	2.389	6.091	.303

ISSN: 1471-244X