. Author manuscript; available in PMC: 2019 Apr 1.

Published in final edited form as: J Intellect Disabil Res. 2018 Jan 5;62(4):281–291. doi: 10.1111/jir.12464

Table 4.

Correlations of actigraphy with PSG in a clinic sample – Study 1 (n=23).

	1	2	3	4	5	6	7	8	9
1 PSG - Time in Bed (min)	-
2 PSG - Total Sleep Time (min)	.43^*	-
3 PSG - Total WASO (min)	0.07	−.63^**	-
4 PSG - Total Wake Episodes (#)	0.22	−0.03	0.05	-
5 PSG - Sleep Efficiency (%)	0.02	.73^**	−.99^**	−0.04	-

6 Actigraphy - Time in Bed (min)	0.24	.54^**	−.56^**	−0.02	.59^**	-
7 Actigraphy - Total Sleep Time (min)	0.26	.70^**	−.67^**	−0.19	.70^**	.77^**	-
8 Actigraphy - Total WASO (min)	−0.01	−.48^*	.49^*	0.19	−.53^**	−0.01	−.59^**	-
9 Actigraphy - Total Wake Episodes (#)	0.12	0.01	−0.29	0.29	0.28	0.03	−0.12	0.18	-
10 Actigraphy - Sleep Efficiency (%)	0.17	.56^**	−.53^*	−0.21	.54^**	0.26	.79^**	−.90^**	−0.18

p < .05,

^**

p < .01