Table 2.

Global Non-Motor Effects of Isolation in PwP.

Study (authors, year)	Country	Sample size	Mental health outcomes
Anghelescu, Bruno, Martino, and Roach (2021)	Canada	22	Anxiety, irritability, sleep
Balci, Aktar, Buran, Tas, and Donmez Colakoglu (2021)	Turkey	45	Anxiety, cognition, depression, sleep
Baschi et al. (2020)	Italy	65	Anxiety, apathy, cognition, depression, fatigue
Brown et al. (2020)	USA (80%)	5429	Anxiety, apathy, cognition, depression, fatigue, sleep
Del Prete et al. (2021)	Italy	740	Anxiety, mood, sleep
de Rus Jacquet et al. (2021)	Canada	417	Anxiety, cognition, depression
Feeney et al. (2021)	USA	1342	Anxiety, cognition
Guo et al. (2020)	China	113	Depression, fatigue, sleep
Janiri et al. (2020)	Italy	134	Apathy, cognition, irritability, sleep
Kapel, Serdoner, Fabiani, and Velnar (2021)	Slovenia	42	Anxiety/stress, apathy
Kitani-Morii et al. (2021)	Japan	39	Anxiety, depression, sleep
Kumar et al. (2020)	India	832	Anxiety, cognition, depression, fatigue, sleep
Oppo et al. (2020)	Italy	32	Cognitive issues, fatigue, mood, sleep
Palermo et al. (2020)	Italy	28	Anxiety, cognition, sleep
Prasad et al. (2020)	India	100	Anxiety, depression, sleep, fatigue
Salari et al. (2020)	Iran	137	Anxiety
Santos-García et al. (2020)	Spain	570	Psychological stress, sleep
Schirinzi et al. (2020)	Italy	162	Anxiety, other neuropsychiatric symptoms
Shalash et al. (2020)	Egypt	38	Anxiety/stress, depression
Simpson, Lekwuwa, and Crawford (2013)	England, Scotland, Wales	1741	Anxiety, cognition, sleep, fatigue
Song et al. (2020)	South Korea	100	Depression, fatigue, sleep, stress
Suzuki et al. (2021)	Japan	100	Cognition, depression, sleep, stress
Thomsen, Wallerstedt, Winge, and Bergquist (2021)	Sweden/Netherlands	67	Apathy, anxiety, depression, sleep
Zipprich, Teschner, Witte, Schönenberg, and Prell (2020)	Germany	99	Anxiety