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Nulliparous Pregnancy Outcomes Study Monitoring Mothers-to-be
A4b. Visit of Sleep Study vs Total Sleep Period: the interval between sleep onset time and lights on/out-bed time from type III home sleep apnea test
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 1
3,012
453.2
± 101.8
463.5
100.0
720.0
-
3,012
Visit 3
2,332
435.1
± 101.0
445.0
21.0
743.5
-
2,332
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Total Sleep Period: the interval between sleep onset time and lights on/out-bed time from type III home sleep apnea test
Visit 1
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
3,012
453.2
± 101.8
463.5
100.0
720.0
-
3,012
Non-Hispanic White
1,842
455.1
± 96.3
466.0
101.5
720.0
-
1,842
Non-Hispanic Black
359
435.3
± 118.6
446.5
124.5
702.0
-
359
Hispanic
557
456.2
± 106.8
462.5
121.5
713.0
-
557
Asian
112
470.2
± 84.3
469.3
143.5
702.0
-
112
Other
142
449.0
± 112.5
468.8
100.0
685.5
-
142
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Total Sleep Period: the interval between sleep onset time and lights on/out-bed time from type III home sleep apnea test