Visit vs Arousal Index (REM): number of arousals per hour of REM sleep from type I polysomnography

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Visit 5	701	13.7	± 10.7	10.8	0.0	98.2	34	735

Participant's age (category) vs Arousal Index (REM): number of arousals per hour of REM sleep from type I polysomnography

Visit 5

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	628	13.4	± 10.4	10.7	0.0	98.2	30	658
5-14 yrs old	62	7.1	± 4.2	6.3	0.0	20.3	2	64
15-24 yrs old	109	10.4	± 5.2	9.6	0.0	30.0	3	112
25-34 yrs old	62	14.0	± 14.0	10.6	1.4	98.2	-	62
35-44 years	94	15.8	± 12.5	12.8	0.0	86.1	4	98
45-54 years	140	14.2	± 9.8	12.6	0.0	49.8	8	148
55-64 years	79	15.4	± 10.5	13.6	0.0	53.7	5	84
65-74 years	54	15.7	± 10.5	11.8	2.8	47.8	3	57
75-84 years	26	14.3	± 12.4	11.7	0.0	40.4	5	31
85 years or older	2	20.9	± 24.5	20.9	3.5	38.2	-	2

Participant's sex vs Arousal Index (REM): number of arousals per hour of REM sleep from type I polysomnography

Visit 5

	N	Mean	StdDev	Median	Max	Unknown	Total
Total	701	13.7	± 10.7	10.8	98.2	34	735
Female	385	12.4	± 8.4	10.4	60.0	21	406
Male	316	15.3	± 12.9	11.4	98.2	13	329

Participant's race vs Arousal Index (REM): number of arousals per hour of REM sleep from type I polysomnography

Visit 5

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	701	13.7	± 10.7	10.8	0.0	98.2	34	735
White	288	13.8	± 10.8	11.2	0.0	86.1	16	304
Black	391	13.7	± 10.9	10.5	0.0	98.2	18	409
More than one race	22	11.4	± 7.3	10.1	1.8	30.8	-	22

Cleveland Family Study

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