Table 1.

Correlations Between Achievement, IQ, Sleep, and Neuropsychological Scores (n = 412)

	1	2	3	4	5	6	7	8	9	10	11	12	13
1 Reading
2 Math	0.55
3 FSIQ	0.56	0.52
4 Apnea-hypopnea Index	−0.05	−0.04	0.00
5 Sleep efficiency	−0.12	−0.00	−0.09	−0.00
6 Sleep problems rating	−0.12	−0.09	−0.09	0.07	0.07
7 ADHD rating	−0.25	−0.25	−0.22	−0.00	0.12	0.48
8 Digit Span	0.49	0.40	0.44	−0.05	−0.09	−0.12	−0.17
9 Animal Naming Test	0.08	0.18	0.28	−0.03	0.05	−0.04	−0.02	0.15
10 Coding	0.19	0.32	0.24	0.00	0.01	−0.13	−0.23	0.18	0.19
11 Visual-Motor Integration	0.41	0.44	0.45	−0.01	−0.07	−0.13	−0.29	0.24	0.07	0.20
12 Gordon Diagnostic	0.28	0.34	0.40	−0.04	−0.13	−0.07	−0.18	0.24	0.19	0.15	0.23
13 California Verbal Learning	0.20	0.26	0.28	0.06	−0.04	−0.06	−0.11	0.12	0.33	0.22	0.15	0.15

FSIQ, Full Scale IQ.