New Freezing of Gait Questionnaire (NFOG-Q)

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Top Contributors - Simisola Ajeyalemi and Marleen Moll  

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?

Yes No

During your worst state—Do you walk:

0 Normally

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

and independence?

0 Not at all

1 Mildly

2 Moderately

3 Severely

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)?

0 Never

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 [1] 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]

  1. 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.