Table 1. Sociodemographic characteristics and relevant past medical history of the patient sample (Number = 192).

Characteristic	Group	Mean ± SD	Number (%)
Gender	Male		112 (58.3%)
	Female		80 (41.7%)
Mean age		64.09 ± 8.69
Mean age of onset of PD		59.5 ± 9.87
Mean duration of PD		4.72 ± 4.41
Marital status	Married		178 (92.7%)
	Single		12 (6.3%)
	Divorced		2 (1%)
Education level	No schooling		12 (6.3%)
	Primary education		29 (15.1%)
	Secondary education		149 (77.6%)
	Tertiary education		2 (1%)
Income*	Below average		155 (80.7%)
	Above average		37 (19.3%)
Employment before diagnosis	Employed		117 (60.9%)
	Unemployed		75 (39.1%)
Employment After diagnosis	Employed		25 (13%)
	Unemployed		167 (87%)
Financial dependents at home	Yes		116 (60.4%)
	No		76 (39.6%)
Availability of a caregiver at home	Yes		161 (83.9%)
	No		31 (16.1%)
Current/Past history of alcohol use disorder	Yes		44 (22.9%)
	No		148 (77.1%)
Family** history of alcohol use disorder	Yes		41 (21.4%)
	No		151 (78.6%)
Current or past history of smoking	Yes		29 (15.1%0
	No		163 (84.9%)
Family** history of smoking	Yes		37 (19.3%)
	No		155 (80.7%)
Current or past history substance abuse	Yes		7 (3.6%)
	No		185 (96.4%)
Family** history of substance abuse	Yes		5 (2.6%)
	No		187 (97.4%)
Past history of psychiatric disorders	Depression		9 (4.7%)
	Bipolar disorder		1 (0.5%)
	Psychosis		9 (4.7%)
	None		173 (90.1%)
Family** History of psychiatric disorders	Depression		2 (1%)
	Bipolar disorder		3 (1.6%)
	Psychosis		9 (4.7%)
	None		178 (92.7%)

*Average Income– 90100 Sri Lankan Rupees per month (450 United States dollars)

**Family–Parents, siblings and children.

(PD = Parkinson disease).