. Author manuscript; available in PMC: 2011 Mar 31.

Published in final edited form as: Am J Ophthalmol. 2009 Oct 1;149(1):160–169. doi: 10.1016/j.ajo.2009.07.025

Table 6.

Effect of Age and Smoking on Incidence of Early Age-Related Macular Degeneration (AMD).

Age	Current Smoker	OR	95% CI	P-value
<80 years	No	1.0 (Reference)
<80 years	Yes	0.51	0.17 – 1.50	0.22
≥80 years	No	1.63	1.22 – 2.18	0.001
≥80 years	Yes	5.49	1.57 – 19.20	0.008