Reliability and validity of the modified Chinese version of the Barratt Impulsiveness Scale (BIS-CV): a psychological autopsy study in rural China.

ABSTRACT:

Background

The modified Chinese Version of the Barratt Impulsiveness Scale (BIS-CV) has been widely used in China, but it lacks validation among older adults with completed suicide. This study aimed to assess the reliability and validity of BIS-CV using the psychological autopsy method and to provide a scientific basis for future use of this scale in older adults.

Methods

Multi-layer random sampling based on the Gross Domestic Product (GDP) was applied to select 12 counties as the research sites. We used the psychological autopsy method and face-to-face interviews to obtain information.

Results

A total of 242 suicides and 242 living controls were recruited in the study. The split-half reliability was 0.939 in the suicide group and 0.927 in the control group. The Cronb

SUBMITTER: Bai X 

PROVIDER: S-EPMC12604294 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature