Name
isi_total
Label
Insomnia Severity Index: Total Score
Description

Summary score for the Insomnia Severity Index. Morin (1993) Each item is scored from 0 to 4. Total score is the sum of all seven items (0 to 28), and catergorized as: absence of insomnia (0 to 7), sub-threshold insomnia (8 to 14), moderate insomnia (15 to 21), and severe insomnia (22 to 28).

Search for all ISI variables within this dataset

Calculation
isi_total = isi_01fallaslp+isi_02stayaslp+isi_03wakeearly+isi_04slpsatisfied+isi_05notice+isi_06worry+isi_07interfere
Type
numeric
Cross-Sectional Survey vs Insomnia Severity Index: Total Score
N Mean StdDev Median Min Max Unknown Total
Cross-Sectional Survey 971 8.6 ± 5.1 8.0 0.0 28.0 - 971
What is your sex? vs Insomnia Severity Index: Total Score
Cross-Sectional Survey
N Mean StdDev Median Min Max Unknown Total
Total 971 8.6 ± 5.1 8.0 0.0 28.0 - 971
Male 258 7.7 ± 5.0 7.0 0.0 24.0 - 258
Female 713 8.9 ± 5.1 8.0 0.0 28.0 - 713
What is your race (select all that apply)? vs Insomnia Severity Index: Total Score
Cross-Sectional Survey
N Mean StdDev Median Min Max Unknown Total
Total 971 8.6 ± 5.1 8.0 0.0 28.0 - 971
White / Caucasian 746 8.5 ± 5.1 8.0 0.0 28.0 - 746
Black / African American 45 8.6 ± 6.1 8.0 0.0 22.0 - 45
Native American / Alaska Native 20 9.4 ± 4.7 10.0 2.0 22.0 - 20
Multiracial 58 9.2 ± 4.7 9.0 0.0 20.0 - 58
Native Hawaiian / Pacific Islander 4 11.5 ± 9.7 10.0 2.0 24.0 - 4
Asian American 98 8.1 ± 5.0 7.5 0.0 24.0 - 98