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Table 4 Fatigue severity scale-7: item hierarchy demonstrated in people with HIV/AIDS

From: Can the Fatigue Severity Scale 7-item version be used across different patient populations as a generic fatigue measure - a comparative study using a Rasch model approach

 

Measure (SE*) (logit)

Mean (SD†) (raw score)

Item

Harder items to agree with

52.86 (.50)

3.41 (2.06)

Item 5: Fatigue causes frequent problems for me

51.40 (.49)

3.59 (2.01)

Item 3: I am easily fatigued

51.10 (.49)

3.65 (1.99)

Item 6: My fatigue prevents sustained physical functioning

50.23 (.49)

3.76 (2.13)

Item 9: Fatigue interferes with my work, family or social life

49.88 (.49)

3.80 (2.01)

Item 7: Fatigue interferes with carrying out certain duties and responsibilities

48.26 (.49)

4.00 (2.24)

Item 8: Fatigue is among my three most disabling symptoms

Easier items to agree with

46.27 (.50)

4.28 (2.08)

Item 4: Fatigue interferes with my physical functioning

  1. Items completed by people with HIV/AIDS: item 3, n = 313; item 4, n = 312; item 5, n = 315; items 6, 7 and 8, n = 314; item 9, n = 316.
  2. *Standard error; †Standard deviation.