Table 4.

Bivariate analysis and multivariate analysis for visual impairment

Variable	Participants n (1575)	Visual impairment (n) %	Unadjusted OR (95% CI)	P value	Adjusted OR (95% CI)	P value
Age (Years)
50–59	584	46 (08)	1.0		1.0
60–69	584	162 (28)	4.5 (3.2 to 6.3)	<0.001	3.8 (2.7 to 5.3)	<0.001
> 70	407	178 (44)	9.1 (6.6 to 12.6)	<0.001	6.1 (4.3 to 8.6)	<0.001
Gender
Men	678	150 (22)	1.0		1.0
Women	897	236 (26)	1.3 (1.0 to 1.6)	0.10	0.7 (0.5 to 0.9)	0.009
Marriage
Married	1156	226 (20)	1.0		1.0
Single (unmarried/widower)	419	160 (38)	2.5 (1.9 to 3.3)	<0.001	1.6 (1.1 to 2.1)	0.007
Education
Illiterate	817	271 (33)	1.0		1.0
Primary (up to fifth class)	221	46 (21)	0.5 (0.4 to 0.7)	<0.001	0.6 (0.5 to 0.8)	0.003
Secondary (up to 10th class)	452	59 (13)	0.3 (0.2 to 0.4)	<0.001	0.3 (02 to 0.5)	<0.001
Senior secondary and above	85	10 (12)	0.3 (0.1 to 0.5)	<0.001	0.3 (0.2 to 0.6)	0.001