Sleep Habits (SHHS2): Frequency of stopping breathing during sleep vs SHHS Visit Number

	Visit 1	Visit 2	CVD Outcomes
Total	-	4,080	-
Rarely - (less than one night a week)	-	112	-
Sometimes - (1 or 2 nights a week)	-	126	-
Frequently - (3 to 5 nights a week)	-	81	-
Always or almost always - (6 or 7 nights a week)	-	52	-
Don't know	-	161	-
Unknown	-	3,548	-

Sleep Habits (SHHS2): Frequency of stopping breathing during sleep vs Age at SHHS1

Visit 2

	35-44 years	45-54 years	55-64 years	65-74 years	75-84 years	85 years or older	Total
Total	184	707	1,321	1,200	624	44	4,080
Rarely - (less than one night a week)	5	26	36	37	8	-	112
Sometimes - (1 or 2 nights a week)	6	22	53	35	10	-	126
Frequently - (3 to 5 nights a week)	3	19	32	23	3	1	81
Always or almost always - (6 or 7 nights a week)	-	15	22	12	3	-	52
Don't know	4	27	60	47	21	2	161
Unknown	166	598	1,118	1,046	579	41	3,548

Sleep Habits (SHHS2): Frequency of stopping breathing during sleep vs Gender

Visit 2

	Male	Female	Total
Total	1,861	2,219	4,080
Rarely - (less than one night a week)	73	39	112
Sometimes - (1 or 2 nights a week)	89	37	126
Frequently - (3 to 5 nights a week)	64	17	81
Always or almost always - (6 or 7 nights a week)	38	14	52
Don't know	100	61	161
Unknown	1,497	2,051	3,548

Sleep Habits (SHHS2): Frequency of stopping breathing during sleep vs Race

Visit 2

	White	Black	Other	Total
Total	3,587	256	237	4,080
Rarely - (less than one night a week)	102	5	5	112
Sometimes - (1 or 2 nights a week)	111	9	6	126
Frequently - (3 to 5 nights a week)	77	1	3	81
Always or almost always - (6 or 7 nights a week)	48	1	3	52
Don't know	146	12	3	161
Unknown	3,103	228	217	3,548

Sleep Heart Health Study

Histogram