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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

Summary score for the Insomnia Severity Index. (Morin CM, Insomnia, psychological assessment and management. Guilford Press, New York, 1993)[https://pubmed.ncbi.nlm.nih.gov/21532953/] Each item is scored from 0 to 4. Total score is the sum of all seven items (0 to 28), and catergorized as: not clinically significant (0-7), sub-threshold insomnia (8-14), moderate insomnia (15-21), and severe insomnia (22-28). Search for all ISI variables within this dataset

Summary score for the Insomnia Severity Index. Morin CM, Insomnia, psychological assessment and management. Guilford Press, New York, 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). This is a numeric variable with values ranging from 0-28 based on the Sleep Questionnaire II form. Missing if did not answer any of following: SQEA6, SQEA7, SQEA8, SQEA9. If SQEA10 answered 'Yes 1', but any of following missing: SQEA11, SQEA12, SQEA13, then missing. Missing if did not answer SQEA10 and SQEA11-SQEA13.Search for all ISI variables within this dataset

Summary score for the Insomnia Severity Index. (Morin CM, Insomnia, psychological assessment and management. Guilford Press, New York, 1993)[https://pubmed.ncbi.nlm.nih.gov/21532953/] 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 (0–7), sub-threshold insomnia (8–14), moderate insomnia (15–21), and severe insomnia (22–28). Search for all ISI variables within this dataset

Summary score for the Insomnia Severity Index. (Morin CM, Insomnia, psychological assessment and management. Guilford Press, New York, 1993)[https://pubmed.ncbi.nlm.nih.gov/21532953/] 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 (0–7), sub-threshold insomnia (8–14), moderate insomnia (15–21), and severe insomnia (22–28). Search for all ISI variables within this dataset

Any researchers who have tried to combine multiple datasets or ...