Table 4.

Psychometric properties of the QoLISSY child self reported scale in the field test sample

Domain	Descriptive statistics							Reliability
	N Items	N Children	Mean	SD	Skewness	% Floor	% Ceiling	N	$$\mathbf{\alpha }$$	Split-half	N	ICC
Physical	6	268	73.69	22.80	-.951	0.4	12.3	263	.84	.83	120	.80
Social	8	268	72.94	22.93	-.787	0.4	10.4	265	.87	.83	121	.80
Emotional	8	268	72.69	23.87	-.938	1.1	10.1	259	.88	.88	121	.85
Coping	10	257	55.60	22.38	-.190	1.2	1.2	244	.82	.65	110	.56
Beliefs	4	266	69.13	28.59	-.776	3.8	21.1	263	.85	.85	117	.83
Treatment	14	152	55.12	21.06	-.125	0.7	0.7	143	.87	.74	72	.73
QoLISSY total score	22	268	73.10	21.39	-.802	0.4	4.9	251	.95	.92	120	.88

$$\mathbf{\alpha }$$

: Cronbachs Alpha; ICC: intra class correlation coefficient.

N for treatment scale is low because domain was answered only by GH- treated patients; QoLISSY total score is sum of Physical, Social and Emotional domains.