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Files

Variables

Old Version You are viewing variable information that is kept around for historical purposes only. The latest version v0.20.0 is available here.

Name

timeremp

Label

Percent Time in REM

Description

Percentage of sleep time spent in REM sleep. The ratio of time in REM sleep to total sleep time, expressed as a percentage. [100*(Number of minutes scored as REM) / (total sleep time)]

Calculation

timeremp = tmremp

Units

percent

Type

numeric

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Visit 1	5,642	19.8	± 6.3	20.0	0.0	43.0	162	5,804
Visit 2	2,620	20.7	± 6.5	21.0	0.0	48.0	1,460	4,080
CVD Outcomes	-	-	-	-	-	-	5,042	5,042

	N	Mean	StdDev	Median	Max	Unknown	Total
Total	5,642	19.8	± 6.3	20.0	43.0	162	5,804
39.0 to 55.0 years	1,424	20.8	± 6.2	21.0	40.0	27	1,451
55.0 to 63.0 years	1,422	20.5	± 6.0	21.0	43.0	29	1,451
63.0 to 72.0 years	1,417	19.4	± 6.1	20.0	42.0	34	1,451
72.0 to 100.0 years	1,379	18.5	± 6.6	19.0	43.0	72	1,451

	N	Mean	StdDev	Median	Max	Unknown	Total
Total	5,642	19.8	± 6.3	20.0	43.0	162	5,804
Female	2,951	20.1	± 6.3	21.0	43.0	88	3,039
Male	2,691	19.5	± 6.3	20.0	42.0	74	2,765

	N	Mean	StdDev	Median	Max	Unknown	Total
Total	2,620	20.7	± 6.5	21.0	48.0	1,460	4,080
Female	1,416	21.1	± 6.4	21.0	48.0	803	2,219
Male	1,204	20.4	± 6.6	21.0	42.0	657	1,861

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	5,642	19.8	± 6.3	20.0	0.0	43.0	162	5,804
white	4,785	19.8	± 6.2	20.0	0.0	43.0	122	4,907
black	477	19.3	± 6.9	19.0	0.0	38.0	38	515
native amer/alaskan	11	16.1	± 4.9	16.0	7.0	23.0	-	11
asian/pacific islander	88	20.2	± 5.7	21.0	2.0	35.0	-	88
hispanic/mex. amer	278	20.4	± 6.4	21.0	3.0	39.0	2	280
other	3	13.0	± 11.1	15.0	1.0	23.0	-	3

Sleep Heart Health Study