Table 4.

Sensitivity and specificity of CSHQ subscales as compared to PSG and actigraphy sleep parameters.

CSHQ subscale	Polysomnography		Actigraphy
	Sensitivity	Specificity	Sensitivity	Specificity
Sleep Onset Delay	0.50	0.81	0.50	0.79
Sleep Duration	0.22	0.95	0.00	0.88
Night Wakings	0.11	0.92	0.21	1.00
Sleep Disordered Breathing	Undefined	0.83	a	a

CSHQ, Children’s Sleep Habits Questionnaire.

^aCannot be computed because breathing disturbances are not measured via actigraphy.