Freezing of Gait in Parkinson’s Disease: Risk Factors, Their Interactions, and Associated Nonmotor Symptoms

Table 2

Frequency of nonmotor experiences of daily living in subjects with and without freezing of gait.

Nonmotor EDL	FOG^+ (n, %)	FOG^− (n, %)	value
Cognitive impairment	49 (77)	54 (54)	0.003
Hallucinations and psychosis	15 (23)	7 (7)	0.003
Depressed mood	19 (30)	28 (28)	0.82
Anxious mood	23 (36)	29 (29)	0.38
Apathy	16 (25)	11 (11)	0.02
Sleep problems	45 (70)	60 (60)	0.18
Daytime sleepiness	42 (66)	49 (49)	0.036
Pain and other sensations	18 (28)	25 (25)	0.66
Urinary problems	45 (70)	42 (42)	0.0003
Constipation problems	45 (70)	54 (54)	0.036
Light headedness on standing	21 (33)	12 (12)	0.001
Fatigue	32 (50)	51 (51)	0.90