Internal consistency reliability, construct validity, and item response characteristics of the Kessler 6 scale among hospital nurses in Vietnam: a dataset

Sample:
Out of all registered nurses (n=1,269) in a large general hospital in Hanoi, Vietnam, a total of 1,258, excluding those who were about to retire (n=11), were invited to complete a questionnaire from August 21 to September 10, 2018. A total of 949 (75.6% of the target population) respondents returned the questionnaires. The aim and procedure of the study was reviewed and approved by the Research Ethics Committee of the Graduate School of Medicine/Faculty of Medicine, The University of Tokyo (no. 11991-(1)) and the Ethical Review Board for Biomedical Research, Hanoi University of Public Health (no 346/2018/YTCC-HD3).
Measures:1. The questionnaire included the following scales:
Kessler 6 (Vietnamese version)
The 21-item version of the DASS scale
EQ-5D-5L
The Job Content Questionnaire (JCQ): a five-item psychological demand scale, a nine-item decision latitude scale, a four-item supervisor support scale, and a four-item coworker support scale

2. Demographic variables
Sex
Age (year of birth)
Education
Marital status
Personal income per month
Employment contract