The Chalder fatigue scale is widely used to measure physical and mental fatigue in chronic fatigue syndrome patients, but the constructs of the scale have not. Mult Scler. Apr;22(5) doi: / Epub Jul The Chalder Fatigue Questionnaire is a valid and reliable measure of. PDF | On Jan 4, , Craig Andrew Jackson and others published The Chalder Fatigue Scale (CFQ 11).

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Chalder Fatigue Scale (CFQ 11) | Occupational Medicine | Oxford Academic

The Fatigue Scale, sometimes referred to as the Chalder Fatigue Scale the CFQ—to differentiate it from chronic fatigue syndrome or CFSis a self-administered questionnaire for measuring the extent and severity of fatigue within both clinical and non-clinical, epidemiological populations. Tiredness and fatigue are important in both academic and applied occupational medicine—and the understanding of the link between them and employee health, performance, safety and general workability continues to grow.

The need for a reliable self-completion tool that can measure this subjective condition, either in extreme clinical cases or in routine day-to-day functioning, has never been greater [ 3 ]. As a short questionnaire, phrased in simple English with a straightforward answering system, it provides a brief tool to measure both physical and psychological fatigue.

For all items, the least symptomatic answers are on the left of the response-set, providing an easy-to-understand checklist for respondents. Using the Likert scoring method, responses on the extreme left receive a score of 0, increasing to 1, 2 or 3 as they become more symptomatic. The global score also spans two dimensions—physical fatigue measured by items 1—7 and psychological fatigue measured by items 8— The Likert scoring system allows for means and distributions to be calculated for both the global total as well as the two sub-scales.


The sub-scales of physical and psychological fatigue are not used here, but rather the respondent receives a global binary fatigue score ranging from 0 to Reliability coefficients for the CFQ 11 have been high in studies of CFS patients [ 5 ] as well as occupational and general population research, ranging from 0.

Exploring the validity of the Chalder Fatigue scale in chronic fatigue syndrome.

The CFQ 11 has been used widely in studies ascertaining tiredness among working populations as well as patient groups and consistently fares extremely well against other longer and multidimensional tools [ 6 ].

Another advantage is that questionniare CFQ 11 is used widely in occupational research and allows for straightforward comparisons between studies and populations.

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Exploring the validity of the Chalder Fatigue scale in chronic fatigue syndrome.

Fatigue in the general Norwegian population: Exploring the validity of the Chalder Fatigue Scale in chronic fatigue syndrome. Assessment of fatigue among working people: For Permissions, please email: Email alerts New issue alert.

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