Table 2.

Summary of existing questionnaires incorporated into our one-time questionnaire module.

Questionnaire	Domain assessed	Study
The Fatigue Severity Scale	Fatigue	Krupp et al (1989) [30]
The Neuro-QoLa fatigue questionnaire	Fatigue	Cella et al (2012) [26]
The Neuro-QoL depression questionnaire	Depression	Cella et al (2012) [26]
The Neuro-QoL anxiety questionnaire	Anxiety	Cella et al (2012) [26]
The Neuro-QoL sleep questionnaire	Sleep quality	Cella et al (2012) [26]
The Modified Fatigue Impact Scale	Fatigue	Amtmann et al (2012) [25]
Symptoms of depression questionnaire (7 questions only)	Vegetative symptoms of depression	Pedrelli et al (2014) [31]
The Epworth Sleepiness Scale	Sleepiness	Johns (1991) [32]
The Godin Leisure-Time Exercise questionnaire	Physical activity	Godin (1985) [33]
The Behavioral Approach System and Behavioral Avoidance System scale	Drive; fun seeking; reward responsiveness	Carver and White (1994) [34]

^aNeuro-QoL: Quality of Life in Neurological Disorders.