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

Sample:<br>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).<br>Measures:1. The questionnaire included the following scales:<br>Kessler 6 (Vietnamese version)<br>The 21-item version of the DASS scale<br>EQ-5D-5L<br>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<br><br>2. Demographic variables<br>Sex<br>Age (year of birth)<br>Education<br>Marital status<br>Personal income per month <br>Employment contract<br><br>