Table 3. Prevalence of Visual Impairment stratified by age, gender and education.

	All participants	No Visual Impairment*	Visual Impairment	Adjusted Odds ratio (95% CI)	PValue
	(n = 2331)	(n = 2065)	(n = 266)
		n (%)	n (%)
Age Group (years)
40–49	1020	996 (97.6)	24 (2.4)	1
50–59	558	504 (90.3)	54 (9.7)	4.4 (2.7, 7.2)	<0.001
60–69	548	440 (80.3)	108 (19.7)	9.5 (5.9, 15.1)	<0.001
≥70	205	125 (61.0)	80 (39.0)	24.6 (14.9, 40.7)	<0.001
Gender
Male	1149	1041 (90.6)	108 (9.4)	1
Female	1182	1024 (86.6)	158 (13.4)	1.4 (1.0. 1.9)	0.026
Education Level
Any education	1201	1119 (93.2)	82 (6.8)	1
No formal education	1130	946 (83.7)	184 (16.3)	1.5 (1.1, 2.1)	0.008

CI = Confidence Interval

*Visual Impairment defined as Presenting visual acuity <6/18 in better eye