Name

timest1p

Label

Percent of sleep time spent in stage 1 sleep

Units
percent (%)
Type
numeric
Visit number vs Percent of sleep time spent in stage 1 sleep
N Mean StdDev Median Min Max Unknown Total
Baseline 49 23.4 ± 15.0 20.6 3.7 63.5 - 49
9-Month Followup 43 19.1 ± 12.6 16.1 2.3 61.4 - 43
18-Month Followup 40 16.6 ± 10.7 14.7 2.9 47.9 - 40
Randomized Treatment Arm vs Percent of sleep time spent in stage 1 sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 23.4 ± 15.0 20.6 3.7 63.5 - 49
Laparoscopic Gastric Banding (LGB) 28 22.4 ± 13.0 19.9 4.8 54.7 - 28
Continuous Positive Airway Pressure (CPAP) 21 24.8 ± 17.5 21.0 3.7 63.5 - 21
Randomized Treatment Arm vs Percent of sleep time spent in stage 1 sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 19.1 ± 12.6 16.1 2.3 61.4 - 43
Laparoscopic Gastric Banding (LGB) 25 18.3 ± 11.9 15.2 2.3 61.4 - 25
Continuous Positive Airway Pressure (CPAP) 18 20.0 ± 13.9 17.2 3.5 44.1 - 18
Randomized Treatment Arm vs Percent of sleep time spent in stage 1 sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 16.6 ± 10.7 14.7 2.9 47.9 - 40
Laparoscopic Gastric Banding (LGB) 24 17.2 ± 11.0 14.7 3.0 47.9 - 24
Continuous Positive Airway Pressure (CPAP) 16 15.6 ± 10.4 14.2 2.9 36.3 - 16
Age of participant vs Percent of sleep time spent in stage 1 sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 23.4 ± 15.0 20.6 3.7 63.5 - 49
27.0 to 45.0 years 13 26.0 ± 15.8 21.0 8.8 59.6 - 13
46.0 to 50.0 years 12 20.7 ± 11.8 18.7 8.1 43.2 - 12
51.0 to 56.0 years 12 19.0 ± 17.6 14.0 3.7 63.5 - 12
57.0 to 65.0 years 12 27.6 ± 14.3 25.9 10.9 54.7 - 12
Age of participant vs Percent of sleep time spent in stage 1 sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 19.1 ± 12.6 16.1 2.3 61.4 - 43
28.0 to 47.0 years 11 18.8 ± 10.2 15.2 6.0 39.1 - 11
47.0 to 52.0 years 11 17.1 ± 9.6 15.5 4.5 35.9 - 11
52.0 to 58.0 years 11 13.9 ± 12.2 10.5 2.3 44.1 - 11
58.0 to 65.0 years 10 27.1 ± 15.8 20.6 10.5 61.4 - 10
Age of participant vs Percent of sleep time spent in stage 1 sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 16.6 ± 10.7 14.7 2.9 47.9 - 40
29.0 to 46.0 years 10 18.5 ± 11.2 17.0 5.4 36.3 - 10
47.0 to 52.0 years 10 15.6 ± 10.1 12.0 3.2 31.6 - 10
53.0 to 58.0 years 10 10.7 ± 6.1 9.1 2.9 20.3 - 10
58.0 to 65.0 years 10 21.4 ± 12.6 17.3 8.2 47.9 - 10
Gender vs Percent of sleep time spent in stage 1 sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 23.4 ± 15.0 20.6 3.7 63.5 - 49
Male 28 27.5 ± 15.9 22.1 8.6 63.5 - 28
Female 21 18.0 ± 12.1 14.0 3.7 43.7 - 21
Gender vs Percent of sleep time spent in stage 1 sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 19.1 ± 12.6 16.1 2.3 61.4 - 43
Male 25 21.1 ± 13.4 17.8 4.5 61.4 - 25
Female 18 16.2 ± 11.3 13.9 2.3 43.4 - 18
Gender vs Percent of sleep time spent in stage 1 sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 16.6 ± 10.7 14.7 2.9 47.9 - 40
Male 25 17.8 ± 11.0 16.4 3.2 47.9 - 25
Female 15 14.6 ± 10.1 10.9 2.9 31.6 - 15
Race vs Percent of sleep time spent in stage 1 sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 23.4 ± 15.0 20.6 3.7 63.5 - 49
White 35 25.5 ± 13.7 22.3 5.3 63.5 - 35
Black 9 15.9 ± 15.5 10.9 3.7 54.7 - 9
Other 5 22.3 ± 21.6 13.9 4.8 59.6 - 5
Race vs Percent of sleep time spent in stage 1 sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 19.1 ± 12.6 16.1 2.3 61.4 - 43
White 31 19.7 ± 11.2 16.1 5.7 44.1 - 31
Black 8 20.4 ± 18.8 16.4 3.5 61.4 - 8
Other 4 11.1 ± 8.2 11.3 2.3 19.4 - 4
Race vs Percent of sleep time spent in stage 1 sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 16.6 ± 10.7 14.7 2.9 47.9 - 40
White 29 17.9 ± 9.0 16.6 6.1 36.3 - 29
Black 7 16.4 ± 17.0 8.2 2.9 47.9 - 7
Other 4 7.6 ± 4.1 7.8 3.0 11.8 - 4