Name

ai_rem

Label

Arousal Index (REM)

Description

REM Arousal Index - total arousals in REM sleep per hours of REM sleep

Calculation
ai_rem = 60 * ( arrembp + arremop ) / minremp
Units
events per hour
Type
numeric
Visit vs Arousal Index (REM)
N Mean StdDev Median Min Max Unknown Total
Visit 5 701 13.7 ± 10.7 10.8 0.0 98.2 34 735
Age at time of visit vs Arousal Index (REM)
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 628 13.4 ± 10.4 10.7 0.0 98.2 30 658
5-14 yrs old 62 7.1 ± 4.2 6.3 0.0 20.3 2 64
15-24 yrs old 109 10.4 ± 5.2 9.6 0.0 30.0 3 112
25-34 yrs old 62 14.0 ± 14.0 10.6 1.4 98.2 - 62
35-44 years 94 15.8 ± 12.5 12.8 0.0 86.1 4 98
45-54 years 140 14.2 ± 9.8 12.6 0.0 49.8 8 148
55-64 years 79 15.4 ± 10.5 13.6 0.0 53.7 5 84
65-74 years 54 15.7 ± 10.5 11.8 2.8 47.8 3 57
75-84 years 26 14.3 ± 12.4 11.7 0.0 40.4 5 31
85 years or older 2 20.9 ± 24.5 20.9 3.5 38.2 - 2
Sex vs Arousal Index (REM)
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 701 13.7 ± 10.7 10.8 0.0 98.2 34 735
Female 385 12.4 ± 8.4 10.4 0.0 60.0 21 406
Male 316 15.3 ± 12.9 11.4 0.0 98.2 13 329
Race vs Arousal Index (REM)
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 701 13.7 ± 10.7 10.8 0.0 98.2 34 735
White 288 13.8 ± 10.8 11.2 0.0 86.1 16 304
Black 391 13.7 ± 10.9 10.5 0.0 98.2 18 409
Other 22 11.4 ± 7.3 10.1 1.8 30.8 - 22