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. 2015;58(5):811-21.
doi: 10.1080/00140139.2014.982209. Epub 2014 Nov 24.

A New German Charité Jet Lag Scale for Jet Lag Symptoms and Application


A New German Charité Jet Lag Scale for Jet Lag Symptoms and Application

Tanja Becker et al. Ergonomics. .


Travelling across multiple time zones provokes adaptation of endogenous circadian rhythm to the new time zone. Within the context of previous studies, an English-language state-of-health questionnaire, the Columbia Jet Lag Scale, is the only sufficiently validated scale for jet lag and its symptoms. This study presents a new state-of-health questionnaire in German, one intended to achieve standardisation of surveys on jet lag. The questionnaire was applied to define the baseline for the prevalence of jet lag symptoms based on a reference group (n = 36). The jet lag score ascertained was subsequently applied to determine the frequency of jet lag in a group of 53 subjects. Systematic investigation of the frequency of jet lag symptoms had not been previously presented. Among the group of 53 travelling test subjects, 60% demonstrated moderate jet lag symptoms. Practitioner Summary: This introduction of the Charité Jet Lag Scale, the first German jet lag questionnaire, calls attention to this topic for the first time since a 2000 publication in Ergonomics. Our systematic investigation of jet lag frequency, with the new scale, determined moderate jet lag symptoms among 60% of subjects.

Keywords: circadian rhythm; frequency; jet lag; state-of-health questionnaire; time zone transitions.

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