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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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.

To evaluate the psychometric properties of an item fatigue severity measure, the Chalder Fatigue Questionnaire CFQ in MS including validity of the factor structure, internal reliability, discriminant validity and sensitivity to change. Data analysis included confirmatory factor analysis to determine the factor structure and model fit, correlations to assess discriminant validity and effects sizes to determine sensitivity to fativue.

Exploring the validity of the Chalder Fatigue Scale in chronic fatigue syndrome. Questionnaire Reviews All Journals search input. Oxford University Press is a department of questionnairee University of Oxford.

Chalder fatigue scale – MEpedia

Association of quality of life with disease characteristics and treatment outcomes in patients with advanced gastric cancer: 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.

Qiestionnaire in the UK Supreme Court. Citing articles via Web of Science Discovery and identification of fatigue-related biomarkers in human saliva.


The CFQ had high internal consistency, showed small to moderate correlations with impact of fatigue and mood, and was sensitive to change across low and high intensity behavioural interventions. Factor 3 was inversely correlated with grip strength, peak VO2, peak heart rate, and peak functional work capacity.

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.

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 ].

The global score also spans two dimensions—physical fatigue measured by items 1—7 and psychological fatigue measured by items 8— The CFQ measuring a composite of physical and mental fatigue severity i. For all items, the least symptomatic answers are on the left of the response-set, providing an easy-to-understand checklist for respondents. Physician gender differences in processing surgical risk features in videos of standardized patients.

Receive exclusive offers and updates from Oxford Academic. The Likert scoring system allows for means and distributions to be questionaire for both quwstionnaire global total as well fatgiue the two sub-scales.

Effects of cognitive loading and force on upper trapezius fatigue. 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 been examined in this patient sample.

Chalder fatigue scale

For Permissions, please email: Predictors of fatigue and work ability in cancer survivors. Factor 4 was correlated with interview and self-rated measures of depression. A bi-factor model with one general fatigue factor, incorporating two smaller group factors mental and physical fatigue had good model fit and appeared the most appropriate factor structure underlying the CFQ scale.


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.

Measuring MS fatigue poses a number of challenges. Email alerts New issue alert. 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 ].

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

Factor 2 was correlated with difficulties in maintaining sleep. Another advantage is that the CFQ 11 is used widely in occupational research and allows for straightforward comparisons between studies and populations.

Fatigue in the general Norwegian population: The results support the validity of mental and physical fatigue subscales and the dropping of the “loss of interest” item in the item version of the fatigue scale. 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 chalxer grow.