Table 5.

Normative Information on Sluggish Cognitive Tempo (SCT) Scale

Total SCT Score	Cumulative Percentage	T-Score
55 to 75	99+	82 to 97
46 to 54	98	74 to 80
45	97.2	73.6
44	96.7	72.8
43	96.4	72.0
42	96.0	71.3
41	95.5	70.5
40	95.0	69.7
39	94.6	68.9
38	93.8	68.2
37	93.0	67.8
36	92.3	66.6
35	91.8	65.8
34	91.0	65.5
33	90.6	64.3
32	89.6	63.5
31	88.9	62.7
30	87.7	62.0
29	86.4	61.2
28	85.2	60.4
27	84.4	59.6
26	83.4	58.8
25	82.1	58.1
24	80.9	57.3
23	79.2	56.5
22	77.2	55.7
21	76.6	55.0
20	73.9	54.2
19	71.6	53.4
18	69.9	52.6
17	67.8	51.9
16	65.4	51.1
15	62.7	50.3
14	59.4	49.5
13	56.9	48.7
12	53.9	48.0
11	51.5	47.2
10	47.9	46.4
9	44.5	45.6
8	40.6	44.9
7	36.6	44.5
6	32.6	43.1
5	28.1	42.8
4	23.7	41.7
3	19.5	41.1
2	14.9	40.2
1	10.4	39.4
0	6.8	38.7

Note. N=2,056. SCT mean was 14.61 (SD=12.88). A score of 41 or higher defined the clinical range on SCT.