Psychometric validation of the Kolcaba General Comfort Questionnaire in critically ill patients.

Background: There is a lack of validated tools to measure comfort in critically ill patients.

Objective: The objective of this study was to evaluate the psychometric properties of the General Comfort Questionnaire (GCQ) in patients admitted to intensive care units (ICUs).

Methodology: A total of 580 patients were recruited, randomising the sample into two homogeneous subgroups of 290 patients for exploratory factor analysis and confirmatory factor analysis, respectively.