New Freezing of Gait Questionnaire (NFOG-Q)
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Objective[edit | edit source]
The New Freezing of Gait Questionnaire (NFOG-Q) is a self-reported questionnaire consisting of 9 items that measure freezing of gait (FOG). The NFOG-Q is the renewed version of the FOG-Q, which originally consisted of 6 items.
Intended Population[edit | edit source]
Patients with Parkinson's Disease and other Parkinson-related Symptoms.
The New Freezing of Gait Questionnaire[edit | edit source]
|Did you experience freezing in the last month?
|During your worst state—Do you walk:
1 Almost normally—somewhat slow
2 Slow but fully independent
3 Need assistance or walking aid
4 Unable to walk
|Are your gait difficulties affecting your daily activities
0 Not at all
4 Unable to walk
|Do you feel that your feet get glued to the floor while
walking, making a turn or when trying to initiate walking (freezing)?
1 Very rarely—about once a month
2 Rarely—about once a week
3 Often—about once a day
4 Always—whenever walking
|How long is your longest freezing episode?
0 Never happened
1 1–2 s
2 3–10 s
3 11–30 s
4 Unable to walk for more than 30 s
Method of Use[edit | edit source]
- The NFOG-Q is easy to administer and requires no equipment.
Evidence[edit | edit source]
Reliability[edit | edit source]
A study by Hulzinga et al 2020  concluded that the NFOG-Q is not sufficiently reliable nor responsive to detect small effect sizes.
Validity[edit | edit source]
Responsiveness[edit | edit source]
References[edit | edit source]
- Hulzinga F, Nieuwboer A, Dijkstra BW, Mancini M, Strouwen C, Bloem BR, Ginis P. The New Freezing of Gait Questionnaire: Unsuitable as an Outcome in Clinical Trials? Mov Disord Clin Pract. 2020 Jan 14;7(2):199-205.