Table 3.

Normal values of the short form 36 (SF-36) questionnaire

	Physical functioning	Physical role	Bodily pain	General health	Vitality	Social functioning	Emotional role	Mental health
Number	9,630	9,929	9,518	9,941	9,817	9,894	9,940	9,674
Mean	80.80	63.45	72.15	59.95	58.86	88.46	77.62	70.14
25th Percentile	70.00	0.00	31.00	40.00	40.00	87.50	66.66	56.00
50th Percentile	95/00	100.00	100.00	65.00	60.00	100.0	100.0	76.00
75th Percentile	100.00	100.00	100.00	82.00	80.00	100.00	100.00	88.88
Standard deviation	28.09	44.41	34.29	27.79	24.42	20.96	39.34	22.48
Range	0–100	0–100	12–100	0–100	0–100	0–100	0–100	0–100
% Ceiling	47.1	54.8	56.3	4.5	4.1	67.5	73.3	7.5
%Floor	2.5	28.4	11.4	1.7	1.4	0.6	18.2	0.4