Gender

Visit number vs Time spent in stage 1 sleep
N Mean StdDev Median Min Max Unknown Total
Baseline 49 83.4 ± 51.0 81.0 15.0 253.0 - 49
9-Month Followup 43 70.2 ± 36.8 64.0 10.0 155.0 - 43
18-Month Followup 40 63.2 ± 37.0 57.5 11.0 156.0 - 40
Randomized Treatment Arm vs Time spent in stage 1 sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 83.4 ± 51.0 81.0 15.0 253.0 - 49
Laparoscopic Gastric Banding (LGB) 28 77.4 ± 42.1 74.0 20.0 204.0 - 28
Continuous Positive Airway Pressure (CPAP) 21 91.4 ± 61.1 92.0 15.0 253.0 - 21
Randomized Treatment Arm vs Time spent in stage 1 sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 70.2 ± 36.8 64.0 10.0 155.0 - 43
Laparoscopic Gastric Banding (LGB) 25 68.6 ± 32.0 64.0 10.0 155.0 - 25
Continuous Positive Airway Pressure (CPAP) 18 72.5 ± 43.5 69.0 15.0 153.0 - 18
Randomized Treatment Arm vs Time spent in stage 1 sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 63.2 ± 37.0 57.5 11.0 156.0 - 40
Laparoscopic Gastric Banding (LGB) 24 64.8 ± 36.5 56.5 11.0 156.0 - 24
Continuous Positive Airway Pressure (CPAP) 16 60.9 ± 38.9 57.5 11.0 151.0 - 16
Age of participant vs Time spent in stage 1 sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 83.4 ± 51.0 81.0 15.0 253.0 - 49
27.0 to 45.0 years 13 100.5 ± 65.7 86.0 28.0 253.0 - 13
46.0 to 50.0 years 12 80.0 ± 43.3 79.5 29.0 152.0 - 12
51.0 to 56.0 years 12 64.5 ± 50.0 50.5 15.0 180.0 - 12
57.0 to 65.0 years 12 87.1 ± 38.7 93.0 37.0 152.0 - 12
Age of participant vs Time spent in stage 1 sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 70.2 ± 36.8 64.0 10.0 155.0 - 43
28.0 to 47.0 years 11 78.1 ± 38.2 72.0 26.0 153.0 - 11
47.0 to 52.0 years 11 66.7 ± 33.2 60.0 19.0 118.0 - 11
52.0 to 58.0 years 11 46.3 ± 32.7 43.0 10.0 126.0 - 11
58.0 to 65.0 years 10 91.7 ± 31.5 89.5 47.0 155.0 - 10
Age of participant vs Time spent in stage 1 sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 63.2 ± 37.0 57.5 11.0 156.0 - 40
29.0 to 46.0 years 10 76.3 ± 43.9 73.0 23.0 151.0 - 10
47.0 to 52.0 years 10 61.7 ± 38.2 54.0 11.0 120.0 - 10
53.0 to 58.0 years 10 39.8 ± 19.2 37.5 11.0 69.0 - 10
58.0 to 65.0 years 10 75.1 ± 35.1 70.0 35.0 156.0 - 10
Gender vs Time spent in stage 1 sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 83.4 ± 51.0 81.0 15.0 253.0 - 49
Male 28 95.8 ± 56.0 90.0 28.0 253.0 - 28
Female 21 66.9 ± 38.8 55.0 15.0 152.0 - 21
Gender vs Time spent in stage 1 sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 70.2 ± 36.8 64.0 10.0 155.0 - 43
Male 25 77.4 ± 37.2 74.0 19.0 155.0 - 25
Female 18 60.2 ± 34.8 53.0 10.0 118.0 - 18
Gender vs Time spent in stage 1 sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 63.2 ± 37.0 57.5 11.0 156.0 - 40
Male 25 67.0 ± 37.9 63.0 11.0 156.0 - 25
Female 15 56.9 ± 35.8 48.0 11.0 120.0 - 15
Race vs Time spent in stage 1 sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 83.4 ± 51.0 81.0 15.0 253.0 - 49
White 35 91.0 ± 45.6 88.0 23.0 204.0 - 35
Black 9 49.6 ± 29.8 46.0 15.0 105.0 - 9
Other 5 91.2 ± 92.8 53.0 20.0 253.0 - 5
Race vs Time spent in stage 1 sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 70.2 ± 36.8 64.0 10.0 155.0 - 43
White 31 73.1 ± 34.0 64.0 24.0 153.0 - 31
Black 8 70.6 ± 48.5 69.0 15.0 155.0 - 8
Other 4 47.3 ± 34.5 50.0 10.0 79.0 - 4
Race vs Time spent in stage 1 sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 63.2 ± 37.0 57.5 11.0 156.0 - 40
White 29 68.2 ± 31.9 68.0 23.0 151.0 - 29
Black 7 59.7 ± 57.3 35.0 11.0 156.0 - 7
Other 4 33.5 ± 18.8 36.5 11.0 50.0 - 4