[Table/Fig-1]:

Intragroup comparison of various parameters among study subjects.

Demographic variables		Study subjects		Knowledge		Attitude		Work-site practices		Barriers
		Number	%	Mean	SD	Mean	SD	Mean	SD	Mean	SD
Age	≤30 yrs	83	48.82	9.93	3.88	48.92	5.93	2.99*	1.92	52.60	11.63
	≥31 yrs	87	51.18	10.00	3.86	48.86	7.26	2.43*	1.74	55.83	11.60
Sex	Male	165	97.06	9.96	3.77	48.93	6.69	2.68	1.81	54.16	11.84
	Female	5	2.94	10.20	6.83	47.40	4.28	3.40	3.05	57.40	3.91
Education	<Graduation	135	79.41	9.55**	3.77	48.18**	6.63	2.57	1.83	54.27	11.32
	≥Graduation	35	20.59	11.57**	3.81	51.63**	5.92	3.20	1.84	54.17	13.24
Occupation	≥Semi profession	11	6.47	12.18*	3.74	49.64	5.61	3.36	1.43	54.45	14.77
	Others	159	93.53	9.81*	3.83	48.84	6.70	2.65	1.87	54.24	11.51
Income	≤Rs.10,000	112	65.88	9.50*	3.80	47.89**	6.67	2.71	1.79	54.54	11.55
	≥Rs.10,001	58	34.12	10.86*	3.83	50.81**	6.15	2.69	1.96	53.69	12.05
Marital status	Single	78	45.88	9.86	3.72	48.92	5.81	2.94	1.89	54.06	11.88
	Married	92	54.12	10.05	3.99	48.86	7.27	2.50	1.79	54.41	11.6
Religion	Hindu	138	81.2	9.89	3.93	48.88	6.73	2.70	1.84	53.86	11.57
	Others	32	18.8	10.28	3.56	48.91	6.25	2.72	1.91	55.97	12.26
Total		170	100	9.96	3.86	48.89	6.62	2.70	1.85	54.25	11.70
%				55.33		81.48		33.75		60.27

*-Significant at 5% level of significance; **-Significant at 1% level of significance