timeremp timest1
Name
times34p
Label
Calculated - percent time stage 3-4
Description

Percent of sleep time in stage 3-4 [100*(Number of minutes scored as stage 3-4) / (total sleep time)]

Units
percent
Type
numeric
Visit vs Calculated - percent time stage 3-4
N Mean StdDev Median Min Max Unknown Total
Peds - - - - - - - -
Teenz - - - - - - - -
TREC 513 23.3 ± 8.0 22.3 5.0 56.8 4 517
Age at time of TREC visit vs Calculated - percent time stage 3-4
TREC
N Mean StdDev Median Min Max Unknown Total
Total 513 23.3 ± 8.0 22.3 5.0 56.8 4 517
16.1 to 17.4 years 129 24.9 ± 7.9 23.8 9.7 47.8 1 130
17.4 to 17.7 years 128 24.2 ± 7.9 22.9 10.7 56.8 1 129
17.7 to 17.9 years 128 22.2 ± 7.2 21.8 6.9 45.5 1 129
17.9 to 19.6 years 128 21.8 ± 8.7 20.8 5.0 53.5 1 129
Male Gender vs Calculated - percent time stage 3-4
TREC
N Mean StdDev Median Min Max Unknown Total
Total 513 23.3 ± 8.0 22.3 5.0 56.8 4 517
No 254 24.1 ± 8.0 23.2 7.0 55.5 2 256
Yes 259 22.4 ± 8.0 21.2 5.0 56.8 2 261
Race vs Calculated - percent time stage 3-4
TREC
N Mean StdDev Median Min Max Unknown Total
Total 513 23.3 ± 8.0 22.3 5.0 56.8 4 517
White 307 24.3 ± 8.1 23.2 5.0 56.8 2 309
Black 183 21.5 ± 7.5 20.4 7.0 55.5 2 185
Other 23 24.2 ± 8.5 23.1 12.1 44.7 - 23