Psychometric properties of the quality of life in short statured youth (QoLISSY) questionnaire within the course of growth hormone treatment

Bloemeke, Janika; Silva, Neuza; Bullinger, Monika; Witt, Stefanie; Dörr, Helmuth-Günther; Quitmann, Julia

doi:10.1186/s12955-019-1118-9

Table 2 Descriptive statistics and reliability for the QoLISSY scales across all diagnoses

From: Psychometric properties of the quality of life in short statured youth (QoLISSY) questionnaire within the course of growth hormone treatment

		Descriptive Statistics							Reliability
Patient-report		N	M	SD	Skewness	Kurtosis	Floor (%)	Ceiling (%)	N	α
Physical	T0	65	55.96	26.66	−.32	−.82	4.6	.00	65	.83
Physical	T1	70	61.50	25.36	−.48	−.63	.00	.00	64	.83
Social	T0	66	52.94	26.84	−.20	−.91	4.5	.00	62	.87
Social	T1	70	62.15	23.88	−.72	−.17	1.4	.00	62	.82
Emotional	T0	65	53.41	27.00	−.06	−1.18	.00	1.5	58	.88
Emotional	T1	69	62.49	24.65	−.61	−.27	1.4	1.4	66	.87
Coping	T0	66	62.87	21.95	−.47	−.65	.00	.00	65	.82
Coping	T1	66	58.81	16.45	.02	−1.07	.00	1.5	63	.65
Beliefs	T0	66	49.62	32.07	−.10	−1.21	10.6	4.5	66	.88
Beliefs	T1	68	51.56	31.75	.09	−1.20	8.8	8.8	68	.86
Treatment	T0	–	–	–	–	–	–	–	–	–
Treatment	T1	50	60.52	17.64	−.49	−.33	.00	.00	44	.83
Total Score^a	T0	64	54.11	24.96	−.24	−.89	.00	.00	54	.95
Total Score^a	T1	69	61.82	22.87	−.60	−.36	.00	.00	54	.94
Parent-report		N	M	SD	Skewness	Kurtosis	Floor (%)	Ceiling (%)	N	α
Physical	T0	150	52.57	26.74	−.09	−1.06	1.3	1.3	146	.88
Physical	T1	126	58.12	25.64	−.23	−1.19	.00	2.4	117	.89
Social	T0	150	51.43	24.94	−.05	−.94	2.7	.00	129	.86
Social	T1	125	57.25	25.68	−.35	−.86	1.6	0.8	113	.87
Emotional	T0	150	52.34	25.95	−.06	−.87	1.3	2.0	143	.89
Emotional	T1	125	58.25	24.65	−.27	−.68	.80	2.4	116	.87
Coping	T0	135	50.97	17.86	.20	−.47	.00	.00	125	.75
Coping	T1	115	51.08	18.00	−.09	−.45	.00	1.7	109	.78
Beliefs	T0	144	54.99	29.41	−.12	−1.05	6.3	9.0	142	.88
Beliefs	T1	123	55.95	30.10	−.16	−1.08	4.9	10.6	123	.88
Treatment	T0	–	–	–	–	–	–	–	–	–
Treatment	T1	95	59.76	18.90	.33	−.62	.00	.00	81	.87
Future	T0	140	58.43	30.31	−.18	−1.07	4.3	12.9	140	.88
Future	T1	119	62.17	29.09	−.46	−.89	3.4	11.8	111	.88
Effects on parents	T0	148	52.54	22.88	.24	−.75	.00	0.7	139	.86
Effects on parents	T1	125	58.37	23.04	−.15	−.65	.00	2.4	112	.86
Total Score^a	T0	147	52.06	23.73	.06	−.92	.00	.00	123	.94
Total Score^a	T1	125	57.96	23.54	−.28	−.84	.00	.00	103	.95

Note: M = Mean, SD = Standard deviation, α = Cronbach’s alpha value, T0 = baseline, T1 = 12 month after start of hGH treatment
^a Sum of the scales physical, social, emotional

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