Table 4

Baseline risk factors for different types of cataract progression

Baseline risk factors	No of subjects	Nuclear cataract		Cortical cataract		Posterior subcapsular cataract
Baseline risk factors	No of subjects	Adjusted OR (95% CI)	p Value	Adjusted OR (95% CI)	p Value	Adjusted OR (95% CI)	p Value
Age (years)
40–49	1743	1.00		1.00		1.00
50–59	915	2.80 (2.0 to 4.0)	<0.001	1.8 (1.4 to 2.2)	<0.001	2.7 (1.8 to 4.1)	<0.001
60–69	406	4.56 (3.1 to 6.7)	<0.001	2.1 (1.6 to 2.8)	<0.001	4.7 (3.0 to 7.4)	<0.001
70+	88	4.97 (2.6 to 9.7)	<0.001	2.1 (1.2 to 3.6)	<0.001	6.6 (3.3 to 13.4)	<0.001
Gender
Male	1379	1.00		1.00		1.00
Female	1773	1.4 (1.1 to 1.9)	0.02	1.3 (1.0 to 1.6)	0.02	1.0 (0.74 to 1.4)	0.88
Residence
Urban	1413	1.00		1.00		1.00
Rural	1739	0.94 (1.3 to 0.7)	0.71	0.93 (1.1 to 0.76)	0.46	1.19 (1.7 to 0.8)	0.32
Laser peripheral iridotomy
Not done	2967	1.00		1.00		1.00
Done	185	1.5 (0.94 to 2.5)	0.09	1.6 (1.1 to 2.3)	0.007	1.6 (0.93 to 2.8)	0.09
Diabetes
Mellitus	2748	1.00		1.00		1.00
No:yes	404	2.1 (1.5 to 2.9)	<0.001	1.5 (1.2 to 2.0)	0.003	1.5 (0.93 to 2.3)	0.10