Table 2.

ITQOL item-level analysis for the NICU and healthy baby samples

		NICU				Healthy baby
	No. items	% missing	Item internal consistency	Item discriminant validity		% missing	Item internal consistency	Item discriminant validity
Infant scales				-1 S.E.	-2 S.E.			-1 S.E.	-2 S.E.
Physical Abilities	10	4.1	100	100	100	2.8	100	100	100
Growth and Development	10	2.4	100	100	100	3.1	100	100	100
Bodily Pain/Discomfort	3	5.1	100	100	100	2.3	100	100	100
Temperament and Moods	18	8.8	89	100	100	7.8	67	89	78
General Behavior	13	5.3	92	100	100	6.2	92	92	92
Getting Along with Others	15	8.1	60	87	87	7.2	60	87	53
General Health Perceptions	12	8.9	100	100	100	5.2	83	100	100
Parent scales
Impact-Emotional	7	2.3	100	100	86	0.8	86	100	86
Impact-Time	7	2.7	100	100	100	1.6	100	100	100
Mental Health	5	3.4	100	100	100	2.1	100	100	100