Overall Never smokers Former smokers Current smokers
Variables (N = 2,464) (n = 970) (n = 538) (n = 956)
  n (%)a n (%)b n (%)b n (%)b
Sociodemographic        
Age (years), mean (SD) 45.4 (11.4) 44.5 (11.8) 48.2 (11.3) 44.6 (10.7)
Gender/sexual orientation        
Women 542 (22.0) 267 (49.3) 86 (15.9) 189 (34.8)
Male heterosexual 405 (16.4) 146 (36.0) 101 (24.9) 158 (39.0)
MSM 1447 (58.7) 542 (37.5) 332 (22.9) 573 (39.5)
Race/ethnicity        
Caucasian 1,090 (45.4) 328 (30.0) 295 (27.1) 467 (42.9)
African  American 1,310 (54.6) 612 (46.7) 228 (17.4) 470 (35.9)
Clinical        
ART Adherence        
Non-adherent 295 (12.0) 103 (34.9) 49 (16.6) 143 (48.5)
Comorbidities c        
Cardiovascular 1,182 (48.0) 499 (42.2) 292 (24.7) 391 (33.1)
Respiratory 555 (22.5) 198 (35.7) 114 (20.5) 243 (43.8)
Metabolic 1,009 (40.9) 413 (40.9) 267 (26.5) 329 (32.6)
Any cancers 280 (11.4) 107 (38.2) 80 (28.6) 93 (33.2)
Laboratory parameters d        
Viral Load (copies/mL)        
Detectable (≥ 50) 702 (28.6) 242 (35.5) 131 (18.7) 329 (46.9)
CD4 count (cells/µL)        
<200 297 (12.1) 120 (40.4) 54 (18.2) 123 (41.4)
200-350 367 (15.0) 145 (39.5) 86 (23.4) 136 (37.1)
>350 1,789 (72.9) 701 (39.2) 396 (22.1) 692 (38.7)
Psychosocial        
Depression 992 (40.8) 299 (30.1) 207 (20.8) 486 (48.9)
Anxiety 580 (24.0) 154 (26.6) 128 (22.1) 298 (51.4)
Substance abuse e        
Never 1,512 (61.1) 804 (53.2) 294 (19.4) 414 (27.3)
Prior 733 (29.9) 134 (18.3) 212 (28.9) 387 (52.7)
Current    210 (8.6) 27 (12.9) 30 (14.3) 153 (72.9)
Abbreviations: ART- Antiretroviral Therapy; HIV- Human Immunodeficiency Virus; MSM- Men who have sex with men; SD- Standard Deviation; UAB- University of Alabama, Birmingham Comorbidities: Cardiovascular (stroke, myocardial infarction, coronary artery disease, hypertension); Respiratory (asthma, chronic obstructive pulmonary disease, bacterial pneumonia); Metabolic (diabetes and dyslipidemia); Missing data: Race, 2.6%; Gender/sexual orientation, 3.2%; adherence, 0.6%; viral load, 0.4%; depression (PHQ-9), 1.3%; anxiety (PHQ-A), 1.7%; substance abuse (ASSIST), 1.7% All the variables were significant at p value <0.05 level except for CD4 countaColumn percentages; b row percentages; c Yes to history of comorbidities; d Lab value closest on or prior to index visit; e Substance abuse includes (opioids, marijuana, crack/cocaine, amphetamines)
Table 1: Characteristics of HIV-positive patients receiving routine care at the UAB 1917 HIV/AIDS clinic from April 2008-December 2013 by smoking status.