Table 1.

Participant Characteristics

Study ID	Age	Sex	Weight (kg)	SES	PPVT Standard Score	KBIT Verbal Score	KBIT Nonverbal Score	Melatonin dose (mg) at satisfactory response (SR)
1	4	Male	17.9	55	115	97	73	1
2	8	Male	34	50	119	113	124	3
3	4	Male	19.1	44	81	54	71	3
4	9	Male	51.6	42	82	66	117	3
5	6	Male	25.2	27	95	79	109	3
6	8	Female	24.5	54.5	120	138	126	1
7	7	Male	44.9	54	116	115	85	1
8	9	Male	31.3	66	115	95	90	6
9	9	Male	50.7	21.5	119	90	101	6
10	4	Male	19.1	23.5	89	83	75	3
11	9	Male	23	50	139	111	128	3
12	4	Male	15.5	44	n/a	88	55	1
13	8	Male	36.9	55	84	81	94	1
14	5	Male	17.4	45	n/a	n/a	n/a	3
15	4	Male	17.5	40	n/a	n/a	n/a	3
16	7	Male	24	56	92	99	105	3
17	4	Male	21.3	50	n/a	n/a	n/a	3
18	7	Male	29.6	48	n/a	86	76	3
19	5	Female	16.1	66	94	98	118	3
20	4	Male	21.7	40.5	113	118	107	3
21	4	Male	17.1	59	99	102	112	1
22	3	Female	15.0	16.5	76	n/a	n/a	3
23	6	Female	27.7	42	40	n/a	n/a	1
24	3	Male	14.9	53	n/a	n/a	n/a	6

SES = socioeconomic status based on Hollingshead Four Factor Index of Social Status