slp_eff slpprdp
Name
slp_lat
Label
Sleep latency
Description

Time from lights out time to beginning of sleep, rounded to nearest minute

Calculation
slp_lat = slplatp
Units
minutes
Type
numeric
Tags
non-rapid eye movement non-rem nrem rapid eye movement rem
Sleep Heart Health Study (SHHS) Visit Number vs Sleep latency
N Mean StdDev Median Min Max Unknown Total
Visit 1 3,441 23.1 ± 22.5 16.5 0.0 217.5 2,363 5,804
Interim Follow-up Visit - - - - - - - -
Visit 2 2,067 25.9 ± 30.1 16.0 0.0 349.0 2,013 4,080
CVD Outcomes - - - - - - - -
Age at Sleep Heart Health Study Visit One (SHHS1) vs Sleep latency
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 3,441 23.1 ± 22.5 16.5 0.0 217.5 2,363 5,804
35-44 years 225 23.4 ± 23.9 16.0 0.0 129.0 117 342
45-54 years 646 21.9 ± 22.6 15.0 0.0 173.5 371 1,017
55-64 years 996 22.5 ± 21.0 16.0 0.0 165.5 773 1,769
65-74 years 960 24.3 ± 23.9 17.5 0.0 217.5 657 1,617
75-84 years 561 23.6 ± 22.7 17.0 0.0 178.5 394 955
85 years or older 53 21.6 ± 13.3 17.0 0.0 53.0 51 104
Gender vs Sleep latency
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 3,441 23.1 ± 22.5 16.5 0.0 217.5 2,363 5,804
Male 1,666 22.0 ± 21.2 15.5 0.0 165.5 1,099 2,765
Female 1,775 24.1 ± 23.7 17.5 0.0 217.5 1,264 3,039
Gender vs Sleep latency
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,067 25.9 ± 30.1 16.0 0.0 349.0 2,013 4,080
Male 956 24.3 ± 28.7 15.0 0.0 349.0 905 1,861
Female 1,111 27.3 ± 31.1 17.0 0.0 338.0 1,108 2,219
Race vs Sleep latency
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 3,441 23.1 ± 22.5 16.5 0.0 217.5 2,363 5,804
White 2,900 22.6 ± 21.7 16.5 0.0 217.5 2,007 4,907
Black 285 28.0 ± 29.1 19.0 0.0 165.5 230 515
Other 256 23.9 ± 23.0 17.3 0.0 141.0 126 382
Race vs Sleep latency
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,067 25.9 ± 30.1 16.0 0.0 349.0 2,013 4,080
White 1,824 26.1 ± 30.4 16.0 0.0 349.0 1,763 3,587
Black 120 28.3 ± 32.7 19.5 0.0 260.0 136 256
Other 123 21.1 ± 20.6 14.0 0.0 133.0 114 237