Table 1.

Sociodemographic characteristics of the respondents.

Variables	Case (n = 79)		Control (n = 158)		P value1
	n	%	N	%
Age (years) mean ± SD	56 ± 12		53 ± 11
Age category
<50 years	24	30	63	40	0.153
≥50 years	55	70	95	60
Sex
Male	49	62	92	58	0.575
Female	30	38	66	42
Ethnicity
Brahmin/Chhetri	26	33	60	38	0.746
Janajati/Newar	22	28	41	26
Dalit/others	31	39	57	36
Religion
Hindu	71	90	130	83	0.149
Others	8	10	27	17
Education
Primary and lower	63	80	99	63	0.008∗
Secondary and above	16	20	59	37
Occupation
Agriculture	53	67	86	54	0.127
Business/service	13	16	43	27
Labor/others	13	17	29	19
Income
NRs ≤ 15000/months	50	63	86	54	0.193
NRs > 15000/months	29	37	72	46
Residence
Rural	55	70	69	44	<0.001∗
Urban	24	30	89	56

¹ P value for chi-squared test. ^∗Statistically significant at P < 0.05. 1USD = 115NRs.