Table 1. Sociodemographic characteristics, depression severity, and sleep quality parameters among the general population of Perambalur, Tamil Nadu (n=650).

*Mean ± SD.

PSQI, Pittsburgh Sleep Quality Index; PHQ-9, Patient Health Questionnaire-9

Variables		Frequency	Percentage
Age in years (mean ± SD)		35.71±14.70*
Gender	Male	269	41.4
	Female	381	58.6
Education	Higher education	480	73.8
	School education	111	17.1
	No formal education	59	9.1
Occupation	Organized work	222	34.2
	Unorganized work	181	27.8
	Unemployed	247	38.0
Region	Rural	269	41.4
	Urban	381	58.6
Number of family members	≤3	181	27.8
	4-5	429	66.0
	>5	40	6.2
PHQ-9	Minimal depression	385	59.2
	Mild depression	171	26.3
	Moderate depression	62	9.5
	Moderately severe depression	27	4.2
	Severe depression	5	0.8
PSQI	Good sleep	508	78.2
	Poor sleep	142	21.8
Not able to sleep within 30 minutes	Yes	100	15.4
	No	550	84.6
Wake in the middle of the night	Yes	102	15.7
	No	548	84.3
Wake up due to bad dreams	Yes	68	10.5
	No	582	89.5
Using self-medication for sleep	Yes	34	5.2
	No	616	94.8
Enthusiasm	Yes	583	89.7
	No	67	10.3