. Author manuscript; available in PMC: 2013 Apr 12.

Published in final edited form as: J Clin Psychol. 2010 Aug 16;66(12):1292–1306. doi: 10.1002/jclp.20724

Table 2.

Isolated Sleep Paralysis, Fearful Isolated Sleep Paralysis, and Recurrent Fearful Isolated Sleep Paralysis Prevalence Rates and Percentages by Ethnicity

		Caucasian N (%)	African American N (%)	Hispanic N (%)	Asian N (%)	Other N (%)	Total sample N
Lifetime ISP episode	No	75 (77.3)	12 (52.2)	3 (42.9)	2 (66.7)	1 (50.0)	94
Lifetime ISP episode	Yes	22 (22.7)	11 (47.8)	4 (57.1)	1 (33.3)	1 (50.0)	39
Lifetime fearful	No	85 (87.6)	13 (56.5)	4 (57.1)	2 (66.7)	1 (50.0)	106
ISP episode	Yes	12 (12.4)	10 (43.5)	3 (42.9)	1 (33.3)	1 (50.0)	27
Recurrent fearful ISP	No	90 (92.8)	17 (73.9)	5 (71.4)	2 (66.7)	1 (50.0)	116
	Yes	7 (7.2)	6 (26.1)	2 (28.6)	1 (33.3)	1 (50.0)	17
	Total	97	23	7	3	2	133

Note: The discrepancy between ethnicity N and total sample N is due to the fact that one patient did not report ethnicity. ISP = Isolated sleep paralysis.