Insomnia Severity Index – Chinese Version

Description

Insomnia is characterized by frequent and persistent difficulties in falling asleep or maintaining sleep, leading to dissatisfaction with sleep. The Insomnia Severity Index (ISI) was developed by Morin in 1993 to assess the severity of insomnia and its impact on physical health, daily functioning, and quality of life.

Authors and Contact Email

Information not available.

Purpose

The purpose of the Insomnia Severity Index is to evaluate the insomnia experienced by respondents over the past two weeks.

Test Year

The scale was translated into Chinese in 2010 by scholars in Hong Kong and was tested among community residents.

Administration Method and Scoring

The scale has three versions, with the patient version comprising 7 items. It uses a 5-point Likert scale where each item is scored from 0 to 4, resulting in a total score range of 0 to 28. Higher scores indicate more severe insomnia. Specifically, scoring is defined as follows:
– 0 points: “none” (无)
– 1 point: “mild” (轻度)
– 2 points: “moderate” (中度)
– 3 points: “severe” (重度)
– 4 points: “extremely severe” (极重度)

For assessing the satisfaction or dissatisfaction with the sleep pattern:
– 0 points: “very satisfied” (非常满意)
– 1 point: “satisfied” (满意)
– 2 points: “not very satisfied” (不太满意)
– 3 points: “dissatisfied” (不满意)
– 4 points: “very dissatisfied” (非常不满意)

Reliability and Validity

The Insomnia Severity Index was later applied to clinical insomnia populations by Bai Chunjie and others, testing its reliability and validity. The internal consistency reliability (Cronbach’s α coefficient) was found to be 0.804, and the test-retest reliability was 0.887, indicating good reliability and validity.

Factors and Subscales

Information not available.

Keywords

Insomnia Severity Index, insomnia assessment, sleep disorders, reliability, validity.

Items in Chinese

1. 入睡困难
2. 睡眠持续困难
3. 早醒
4. 您认为您的失眠在多大程度上影响了您的日常功能？
5. 你的失眠问题影响了你的生活质量，你觉得在别眼中你的失眠情况如何？
6. 您对目前的睡眠问题的担心 /痛苦程度如何？
7. 您对目前的睡眠模式满意/不满意的程度如何？

Items in English

1. Difficulty falling asleep
2. Difficulty maintaining sleep
3. Early waking
4. To what extent do you believe your insomnia affects your daily functioning?
5. How does your insomnia problem affect your quality of life, and how do you think others view your insomnia?
6. To what extent are you worried/uncomfortable about your current sleep problems?
7. How satisfied/dissatisfied are you with your current sleep pattern?

References

白春杰,纪代红,陈丽霞,等.失眠严重程度指数量表在临床失眠患者评估中的信效度研究[J].中国实用护理杂志, 2018, 34(28):5.DOI:10.3760/cma.j.issn.1672-7088.2018.28.005.
王美.脉管畸形患儿照顾者心理应激反应与认知固着的关系[D].山东大学,2022.DOI:10.27272/d.cnki.gshdu.2022.005860.