Name

stg2t1p

Label

Number of stage 2 to stage 1 shifts during sleep

Description

Number of stage 2 to stage 1 shifts during sleep

Units

stage shifts

Type

numeric

Tags

SHHS Visit Number vs Number of stage 2 to stage 1 shifts during sleep

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Visit 1	5,804	0.2	± 0.6	0.0	0.0	9.0	-	5,804
Visit 2	2,651	0.2	± 0.5	0.0	0.0	4.0	1,429	4,080
CVD Outcomes	-	-	-	-	-	-	5,042	5,042

Age at SHHS1 vs Number of stage 2 to stage 1 shifts during sleep

Visit 1

	N	Mean	StdDev	Max	Unknown	Total
Total	5,804	0.2	± 0.6	9.0	-	5,804
39.0 to 55.0 years	1,451	0.2	± 0.5	3.0	-	1,451
55.0 to 63.0 years	1,451	0.2	± 0.5	6.0	-	1,451
63.0 to 72.0 years	1,451	0.2	± 0.6	5.0	-	1,451
72.0 to 100.0 years	1,451	0.3	± 0.8	9.0	-	1,451

Gender vs Number of stage 2 to stage 1 shifts during sleep

Visit 1

	N	Mean	StdDev	Max	Unknown	Total
Total	5,804	0.2	± 0.6	9.0	-	5,804
Female	3,039	0.2	± 0.5	8.0	-	3,039
Male	2,765	0.3	± 0.7	9.0	-	2,765

Gender vs Number of stage 2 to stage 1 shifts during sleep

Visit 2

	N	Mean	StdDev	Max	Unknown	Total
Total	2,651	0.2	± 0.5	4.0	1,429	4,080
Female	1,425	0.1	± 0.4	4.0	794	2,219
Male	1,226	0.2	± 0.5	4.0	635	1,861

Race vs Number of stage 2 to stage 1 shifts during sleep

Visit 1

	N	Mean	StdDev	Max	Unknown	Total
Total	5,804	0.2	± 0.6	9.0	-	5,804
white	4,907	0.2	± 0.6	8.0	-	4,907
black	515	0.2	± 0.7	6.0	-	515
native amer/alaskan	11	0.5	± 0.9	3.0	-	11
asian/pacific islander	88	0.1	± 0.3	2.0	-	88
hispanic/mex. amer	280	0.2	± 0.7	9.0	-	280
other	3	0.3	± 0.6	1.0	-	3

Race vs Number of stage 2 to stage 1 shifts during sleep

Visit 2

	N	Mean	StdDev	Max	Unknown	Total
Total	2,651	0.2	± 0.5	4.0	1,429	4,080
white	2,311	0.2	± 0.5	4.0	1,276	3,587
black	181	0.2	± 0.5	4.0	75	256
native amer/alaskan	3	0.3	± 0.6	1.0	5	8
asian/pacific islander	34	0.0	± 0.0	0.0	14	48
hispanic/mex. amer	121	0.2	± 0.4	2.0	59	180
other	1	0.0	-	0.0	-	1

Sleep Heart Health Study