Name

minstg1p

Label

Time in stage 1 sleep

Description

Total time scored as stage 1, rounded to nearest minute (use calculated variable - sleep wake studies screened out)

Units
minutes (min)
Type
numeric
Visit Number vs Time in stage 1 sleep
N Mean StdDev Median Min Max Unknown Total
Baseline 453 39.0 ± 17.3 36.0 7.0 123.0 11 464
Follow-up 407 34.9 ± 17.6 31.0 6.0 132.0 46 453
Treatment Arm vs Time in stage 1 sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 39.0 ± 17.3 36.0 7.0 123.0 - 453
Early adenotonsillectomy (EAT) 226 38.7 ± 17.2 35.5 7.0 105.0 - 226
Watchful waiting with supportive care (WWSC) 227 39.3 ± 17.5 36.0 9.0 123.0 - 227
Treatment Arm vs Time in stage 1 sleep
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 34.9 ± 17.6 31.0 6.0 132.0 46 453
Early adenotonsillectomy (EAT) 199 31.6 ± 13.7 29.0 6.0 79.0 27 226
Watchful waiting with supportive care (WWSC) 208 38.1 ± 20.1 33.0 6.0 132.0 19 227
Age vs Time in stage 1 sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 39.0 ± 17.3 36.0 7.0 123.0 - 453
5 - 7 years old 329 39.4 ± 17.1 37.0 7.0 106.0 - 329
8 - 10 years old 124 37.8 ± 17.9 34.5 9.0 123.0 - 124
Age vs Time in stage 1 sleep
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 35.0 ± 17.7 31.0 6.0 132.0 2 399
5 - 7 years old 260 35.4 ± 16.7 31.5 6.0 126.0 2 262
8 - 10 years old 137 34.2 ± 19.3 30.0 6.0 132.0 - 137
Gender vs Time in stage 1 sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 39.0 ± 17.3 36.0 7.0 123.0 - 453
Female 234 37.8 ± 16.8 35.0 7.0 105.0 - 234
Male 219 40.2 ± 17.9 37.0 9.0 123.0 - 219
Gender vs Time in stage 1 sleep
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 34.9 ± 17.6 31.0 6.0 132.0 46 453
Female 209 33.7 ± 16.8 30.0 6.0 126.0 25 234
Male 198 36.2 ± 18.3 33.0 6.0 132.0 21 219
Race vs Time in stage 1 sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 39.0 ± 17.3 36.0 7.0 123.0 - 453
White 156 38.0 ± 16.9 35.5 7.0 105.0 - 156
Black 249 38.9 ± 17.2 36.0 9.0 123.0 - 249
Other 48 42.7 ± 19.1 41.0 16.0 94.0 - 48
Race vs Time in stage 1 sleep
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 34.9 ± 17.6 31.0 6.0 132.0 46 453
White 147 35.1 ± 18.9 31.0 7.0 126.0 9 156
Black 217 34.1 ± 16.7 31.0 6.0 132.0 32 249
Other 43 38.4 ± 17.0 35.0 18.0 91.0 5 48