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Files

Variables

Name

nap1_sl

Label

MSLT: Nap 1 Sleep Latency

Description

Sleep latency was scored by two scorers. It is the average of the two scores.

Variable from a Multiple Sleep Latency Test (MSLT), Roehrs & Roth 1992 (PubMed ID: 1552009).

Search for all Multiple Sleep Latency Test variables within this dataset

Units

minutes

Type

numeric

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Visit 1	797	12.3	± 6.2	11.5	0.5	20.0	-	797
Visit 2	592	13.2	± 5.5	13.0	1.0	20.0	-	592
Visit 3	157	13.8	± 5.4	13.5	2.0	20.0	-	157
Visit 4	-	-	-	-	-	-	-	-
Visit 5	-	-	-	-	-	-	-	-
Incident Outcomes Tracking	-	-	-	-	-	-	-	-

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	797	12.3	± 6.2	11.5	0.5	20.0	-	797
Male	423	11.8	± 6.3	10.5	0.5	20.0	-	423
Female	374	13.0	± 6.0	12.6	1.5	20.0	-	374

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	592	13.2	± 5.5	13.0	1.0	20.0	-	592
Male	312	13.2	± 5.6	12.6	2.3	20.0	-	312
Female	280	13.2	± 5.5	13.5	1.0	20.0	-	280

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	157	13.8	± 5.4	13.5	2.0	20.0	-	157
Male	86	12.8	± 5.5	12.1	2.0	20.0	-	86
Female	71	15.1	± 5.0	16.0	3.5	20.0	-	71

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	797	12.3	± 6.2	11.5	0.5	20.0	-	797
Asian	5	9.5	± 6.9	10.0	2.5	20.0	-	5
Black	10	8.4	± 6.7	6.0	3.0	20.0	-	10
Hispanic	5	13.9	± 7.2	16.0	3.3	20.0	-	5
Native American	6	9.4	± 5.4	8.5	4.3	19.5	-	6
White	771	12.4	± 6.2	11.5	0.5	20.0	-	771

Wisconsin Sleep Cohort