Smoking and Predictors of Pneumonia Among HIV-Infected Patients Receiving Care in the HAART Era

Table 5.: Independent Predictors of Pneumonia Among 300 People Living with HIV in the Southeastern US, 1996-2005

Characteristic^*	IRR	95% CI	p-Value
Alcohol use	1.67	1.02, 2.72	0.04
Antiretroviral use	0.28	0.18, 0.44	<0.001
Age, per 10 year increase	0.57	0.37, 0.89	0.01
CD4 cell count, per	0.84	0.74, 0.96	0.01
100 cell/mm³ increase
HIV RNA level, per 1 log₁₀ increase	1.51	1.19, 1.93	<0.001

^* All factors which vary over time were measured at a pneumonia event among those who had pneumonia and at the last clinic visit among those who did not experience pneumonia; IRR, incidence rate ratio; CI, confidence interval.