Table 3.

Multiple Regression of Risk Factors for Intermediate-stage Age-related Macular Degeneration in Patients with the Acquired Immune Deficiency Syndrome

Covariate	Odds Ratio	95% Confidence Interval	P-value
Age (decade)	1.9	1.6, 2.3	<0.001
HIV transmission category
Male to male sexual contact (reference)	1.0
Injection drug use	2.4	1.5, 3.9	<0.001
Heterosexual contact	1.9	1.3, 2.8	0.001
Other	1.4	0.7, 2.8	0.31
Hepatitis C infection
Seronegative or missing	1.0
Seropositive	0.7	0.4, 1.1	0.15
Smoking status
Never	1.0
Former	1.1	0.7, 1.7	0.74
Current	1.5	0.9, 2.3	0.09
Missing	1.4	0.9, 2.2	0.17