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