Measurement properties and normative data for the Norwegian SF-36: results from a general population survey

Garratt, AM.; Stavem, K.

doi:10.1186/s12955-017-0625-9

Health and Quality of Life Outcomes

Table 2 Descriptive statistics and internal consistency (n = 5396)

From: Measurement properties and normative data for the Norwegian SF-36: results from a general population survey

Scale/item	Percent missing	Percent complete data	Mean	Standard deviation	Percent floor	Percent ceiling	Cronbach’s alpha (scale)/item scale correlation	Percent scaling success
Physical functioning	0.87	95.37	86.44	20.42	0.45	35.60	0.92	97.50
1 Vigorous activites	1.54		2.16	0.76	22.55	38.15	0.55	75
2 Moderate activities	1.26		2.71	0.56	5.61	76.71	0.83	100
3 Lifting or carrying groceries	1.46		2.79	0.50	4.29	83.49	0.76	100
4 Climbing several flights of stairs	1.15		2.71	0.58	6.22	76.90	0.80	100
5 Climbing one flight of stairs	1.61		2.87	0.40	2.41	89.83	0.75	100
6 Bending, kneeling, stooping	1.17		2.69	0.59	6.43	75.51	0.74	100
7 Walk more than a mile	1.35		2.70	0.61	7.95	77.46	0.79	100
8 Walking several blocks	1.70		2.87	0.42	3.15	89.69	0.78	100
9 Walking one block	1.98		2.91	0.34	1.85	92.93	0.70	100
10 Bathing or dressing	0.89		2.91	0.34	1.66	92.89	0.61	100
Role-physical	0.85	97.59	76.64	37.39	14.62	66.32	0.91	100
1 Cut down time spent on work	1.15		1.81	0.40	19.35	80.65	0.78	100
2 Accomplished less than would like	1.02		1.72	0.45	27.61	72.39	0.76	100
3 Limited in kid of work/activities	1.76		1.77	0.42	23.30	76.70	0.80	100
4 Difficulty performing work/activities	0.95		1.77	0.42	22.60	77.40	0.83	100
Bodily pain^a	0.26	97.70	73.62	25.83	0.63	35.56	0.90	100
1 Intensity of bodily pain	1.98		4.67	1.40	1.91	36.66	0.82	100
2 Extent pain interfered with work	0.57		4.69	1.31	2.05	35.58	0.82	100
General health^a	2.52	95.89	75.25	21.72	0.23	8.21	0.82	100
1 Rating of general health	0.61		3.68	1.04	3.56	12.40	0.68	100
2 I seem to get sick easier than others	3.04		4.44	1.03	2.01	73.13	0.51	100
3 I seem as healthy as anyone I know	2.19		4.26	1.10	3.58	59.44	0.63	100
4 I expect my health to get worse	2.59		3.74	1.26	4.85	42.69	0.52	100
5 My health is excellent	2.46		3.92	1.31	6.56	39.83	0.76	100
Vitality	1.22	95.79	60.72	20.61	0.73	2.40	0.85	100
1 Full of pep	2.46		3.62	1.31	6.75	6.38	0.64	100
2 Have a lot of energy	2.26		3.55	1.36	8.57	6.12	0.75	100
3 Feel worn out	1.85		4.52	1.15	2.59	16.11	0.68	100
4 Feel tired	1.30		4.45	1.13	2.22	13.31	0.70	100
Social Functioning	0.17	98.85	86.27	21.18	0.84	58.40	0.81	100
1 Extent health problems interfered	0.61		4.51	0.87	1.55	68.73	0.69	100
2 Frequency health problems interfered	0.70		4.40	0.95	2.11	63.55	0.69	100
Role-Emotional	1.58	97.72	84.23	31.67	8.53	76.84	0.84	100
1 Cut down time spent on work	1.41		1.87	0.34	12.93	87.07	0.71	100
2 Accomplished less than would like	1.46		1.80	0.40	20.50	79.50	0.74	100
3 Work not done as carefully as usual	1.65		1.86	0.35	13.96	86.04	0.68	100
Mental Health	1.57	95.53	80.27	15.47	0.13	6.93	0.82	100
1 Been a very nervous person	1.98		5.60	0.80	0.55	72.75	0.60	100
2 Feel down in the dumps	2.11		5.75	0.70	0.40	84.13	0.62	100
3 Felt calm and peaceful	2.02		4.36	1.34	3.67	20.65	0.65	100
4 Felt downhearted and blue	2.37		5.30	0.95	0.87	51.90	0.68	100
5 Been a happy person	1.74		4.07	1.19	2.24	9.64	0.61	100
Health Transition	0.46	99.54	51.26	16.53	1.62	3.91	-	-
1 Change in health from one year ago	0.46		3.05	0.66	-	-	-	-
Physical Component Summary	4.52	95.48	49.49	10.16	-	-	-	-
Mental Component Summary	4.52	95.48	52.19	9.08	-	-	-	-

^aRAND mean (SD) scores for bodily pain 76.90 (24.94) and general health perception 73.84 (21.45)

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