Table 2.

Inter-Factor Correlations (Ψ) from the First-Order Factor Analysis and Factor Loadings (γ) from the Second-Order Factor Analysis of the Revised 24-Item Adolescent Sleep Hygiene Scale (ASHSr)^*

	1	2	3	4	5	6
1 Physiological (α = .60)	1
2 Behavioral Arousal (α = .62)	.54	1
3 Cognitive / Emotional (α = .81)	.52	.37	1
4 Sleep Environment (α = .61)	.64	.60	.35	1
5 Sleep Stability (α = .68)	.32	.29	.23	.26	1
6 Daytime Sleep (α = .78)	.55	.36	.29	.44	.15	1
Higher order factor loadings (γ)	.87	.68	.54	.75	.36	.58

^*All inter-factor correlations are statistically significant at p < .01.