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Nulliparous Pregnancy Outcomes Study Monitoring Mothers-to-be
A4b. Visit of Sleep Study vs Total In-Bed Period: the interval between lights out/in-bed time and lights off/out-bed time from type III home sleep apnea test
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 1
3,012
473.2
± 101.5
480.0
121.0
742.0
-
3,012
Visit 3
2,332
455.2
± 100.4
464.0
121.0
810.0
-
2,332
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Total In-Bed Period: the interval between lights out/in-bed time and lights off/out-bed time from type III home sleep apnea test
Visit 1
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
3,012
473.2
± 101.5
480.0
121.0
742.0
-
3,012
Non-Hispanic White
1,842
473.2
± 96.1
482.0
121.0
742.0
-
1,842
Non-Hispanic Black
359
462.7
± 117.6
468.0
125.0
721.0
-
359
Hispanic
557
477.7
± 108.2
480.0
135.0
720.0
-
557
Asian
112
484.9
± 85.3
483.5
147.0
713.0
-
112
Other
142
473.3
± 108.9
488.0
123.0
693.0
-
142
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Total In-Bed Period: the interval between lights out/in-bed time and lights off/out-bed time from type III home sleep apnea test