Norm values and psychometric properties of the brief symptom inventory-18 regarding individuals between the ages of 60 and 95

Petrowski, Katja; Schmalbach, Bjarne; Jagla, Melanie; Franke, Gabriele Helga; Brähler, Elmar

doi:10.1186/s12874-018-0631-6

Table 6 Normative T-values of the BSI-18.

From: Norm values and psychometric properties of the brief symptom inventory-18 regarding individuals between the ages of 60 and 95

BSI-18 Somatization scale
	1	2	3	4	5	0
Age	60–64	65–69	70–74	75–79	80–95	60–95
N=	192	221	219	133	119	884
0	42	43	41	41	39	42
1	51	51	49	48	45	49
2	54	54	53	51	48	53
3	57	57	56	54	50	55
4	59	59	58	57	52	57
5	61	61	60	59	53	59
6	62	64	61	62	55	61
7	64	66	64	63	58	63
8	67	67	66	64	60	65
9	69	70	68	65	63	67
10	69	71	69	67	65	69
11	70	74	70	69	66	70
12	73	76	72	70	69	72
13	75	76	74	72	72	74
14	78	76	74	77	74	75
15	80	78	75	80	74	77
16	80	80	78	80	74	79
17	80	80	80	80	76	80
≥18	80	80	80	80	80	80
BSI-18 Somatization scale
	1	2	3	4	5	0
Age	60–64	65–69	70–74	75–79	80–95	60–95
N=	192	221	219	133	119	884
0	43	44	43	42	41	43
1	52	54	52	50	51	52
2	55	57	55	53	54	55
3	57	59	58	56	56	57
4	59	61	59	57	58	59
5	61	63	61	58	61	61
6	62	65	62	59	62	62
7	63	66	64	60	63	63
8	65	67	65	61	64	64
9	67	68	66	62	64	66
10	69	69	68	65	65	67
11	70	70	69	67	65	68
12	71	70	69	68	66	69
13	71	71	71	70	67	70
14	73	72	74	72	68	72
15	75	74	74	73	69	73
16	78	78	74	74	71	75
17	80	80	74	74	72	76
18	80	80	76	74	76	78
19	80	80	80	77	80	80
≥20	80	80	80	80	80	80
BSI-18 Anxiety sub-scale
	1	2	3	4	5	0
Age	60–64	65–69	70–74	75–79	80–95	60–95
N=	192	221	219	133	119	884
0	43	44	44	43	43	44
1	52	53	54	52	52	53
2	56	57	58	57	57	57
3	59	60	61	59	59	60
4	61	62	62	61	60	61
5	62	64	64	61	62	62
6	63	66	64	63	64	64
7	65	67	66	65	65	66
8	67	67	68	65	65	66
9	68	68	70	66	66	68
10	69	70	75	68	67	69
11	70	71	76	69	68	71
12	70	74	76	71	70	72
13	71	78	76	73	71	74
14	74	80	78	77	72	76
15	75	80	80	80	74	78
16	75	80	80	80	74	78
17	75	80	80	80	76	79
18	78	80	80	80	80	80
≥19	80	80	80	80	80	80
BSI-18 General Symptom Index scale
	1	2	3	4	5	0
Age	60–64	65–69	70–74	75–79	80–95	60–95
N=	192	221	219	133	119	884
0	39	41	39	39	37	39
1	46	47	45	44	43	46
2	49	50	48	47	45	48
3	51	52	51	49	47	50
4	52	53	53	50	49	52
5	53	55	54	53	49	53
6	55	56	56	54	50	55
7	56	58	57	54	51	56
8	58	58	58	55	53	57
9	58	59	58	56	54	58
10	59	60	59	57	55	58
11	60	61	60	58	56	59
12	60	62	61	59	57	60
13	61	62	61	59	58	61
14	61	63	62	60	59	61
15	62	64	62	60	60	62
16	62	64	62	61	60	62
17	63	64	63	61	61	63
18	64	65	63	61	62	63
19	64	66	64	62	62	64
20	65	66	64	62	62	64
21	66	66	65	62	63	65
22	66	66	65	63	63	65
23	66	67	66	64	63	66
24	67	67	67	64	64	66
25	67	68	67	64	65	66
26	67	68	67	65	66	67
27	68	69	68	65	66	67
28	69	69	69	65	66	68
29	70	70	71	67	66	69
30	70	70	72	69	67	70
31	70	71	75	71	67	71
32	70	71	76	73	67	71
33	71	73	76	74	67	72
34	71	78	76	77	67	73
35	71	80	76	80	68	73
36	72	80	76	80	69	74
37	74	80	76	80	69	75
38	75	80	76	80	71	76
39	75	80	76	80	74	77
40	75	80	76	80	74	77
41	75	80	76	80	74	77
42	75	80	76	80	74	77
43	75	80	76	80	74	77
44	75	80	76	80	74	77
45	75	80	76	80	76	78
46	78	80	76	80	80	79
47	80	80	76	80	80	80
48	80	80	78	80	80	80
≥49	80	80	80	80	80	80

Note. T value distribution (M = 50, SD = 10) for the BSI-18 scales

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