Name

hstg2t1p

Label

Number of stage 2 to stage 1 shifts per hour of sleep

Description

Number of stage 2 to stage 1 shifts per hour of sleep

Units

stage shifts

Type

numeric

Tags

SHHS Visit Number vs Number of stage 2 to stage 1 shifts per hour of sleep

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Visit 1	5,804	0.03	± 0.08	0.0	0.0	1.3	-	5,804
Visit 2	2,651	0.02	± 0.06	0.0	0.0	0.6	1,429	4,080
CVD Outcomes	-	-	-	-	-	-	5,042	5,042

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

Visit 1

	N	Mean	StdDev	Max	Unknown	Total
Total	5,804	0.03	± 0.08	1.3	-	5,804
39.0 to 55.0 years	1,451	0.02	± 0.06	0.5	-	1,451
55.0 to 63.0 years	1,451	0.02	± 0.07	0.8	-	1,451
63.0 to 72.0 years	1,451	0.03	± 0.08	0.7	-	1,451
72.0 to 100.0 years	1,451	0.04	± 0.1	1.3	-	1,451

Gender vs Number of stage 2 to stage 1 shifts per hour of sleep

Visit 1

	N	Mean	StdDev	Max	Unknown	Total
Total	5,804	0.03	± 0.08	1.3	-	5,804
Female	3,039	0.02	± 0.07	0.9	-	3,039
Male	2,765	0.03	± 0.09	1.3	-	2,765

Gender vs Number of stage 2 to stage 1 shifts per hour of sleep

Visit 2

	N	Mean	StdDev	Max	Unknown	Total
Total	2,651	0.02	± 0.06	0.6	1,429	4,080
Female	1,425	0.02	± 0.05	0.6	794	2,219
Male	1,226	0.02	± 0.07	0.5	635	1,861

Race vs Number of stage 2 to stage 1 shifts per hour of sleep

Visit 1

	N	Mean	StdDev	Max	Unknown	Total
Total	5,804	0.03	± 0.08	1.3	-	5,804
white	4,907	0.03	± 0.08	0.9	-	4,907
black	515	0.03	± 0.1	0.8	-	515
native amer/alaskan	11	0.07	± 0.1	0.5	-	11
asian/pacific islander	88	0.01	± 0.04	0.2	-	88
hispanic/mex. amer	280	0.03	± 0.1	1.3	-	280
other	3	0.04	± 0.08	0.1	-	3

Race vs Number of stage 2 to stage 1 shifts per hour of sleep

Visit 2

	N	Mean	StdDev	Max	Unknown	Total
Total	2,651	0.02	± 0.06	0.6	1,429	4,080
white	2,311	0.02	± 0.06	0.5	1,276	3,587
black	181	0.02	± 0.07	0.6	75	256
native amer/alaskan	3	0.04	± 0.06	0.1	5	8
asian/pacific islander	34	0.0	± 0.0	0.0	14	48
hispanic/mex. amer	121	0.02	± 0.06	0.3	59	180
other	1	0.0	-	0.0	-	1

Sleep Heart Health Study