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Table 1 Characteristics of 1087 people living with HIV (PLWH) vs 2218 subjects from the Italian general population

From: Smoking habits in HIV-infected people compared with the general population in Italy: a cross-sectional study

 PLWH
N = 1087
N (%)
General population N = 2218
N (%)
p-value
Gender
Male799 (73.5)1623 (73.2)0.84
Age group
  <  2513 (1.2)29 (1.3) 
 25–34115 (10.5)235 (10.6) 
 35–44247 (22.7)511 (23.0) 
 45–54454 (41.8)916 (41.3) 
 55–64185 (17.0)376 (17.0) 
  > 6573 (6.8)151 (6.8)NS
Marital status
 Single466 (42.9)578 (26.1) 
 Stable relationship426 (39.1)1350 (60.9) 
 Separated/Divorced114 (10.5)232 (10.4) 
 Widowed30 (2.7)58 (2.6) 
Missing51 (4.7)< 0.001
Region of residence
 Northern Italy346 (31.8)709 (32.0) 
 Central Italy449 (41.3)910 (41.0) 
 Southern Italy292 (26.9)599 (27.0)0.99
Citizenship
 Foreign117 (10.8)169 (7.6)0.002
Education
 College degree264 (24.5)365 (16.4) 
 High school graduation519 (48.2)948 (42.74) 
 Elementary or lower294 (27.2)905 (40.8)< 0.001
Missing10 (0.9) 
Chronic diseases
 Diabetes64 (5.8)87 (3.9)< 0.01
Missing22 (2.0)96 (4.3) 
 Hypertension199 (18.3)304 (13.7)< 0.001
Missing64 (5.8)81 (3.6) 
 Extreme Obesity20 (1.8)228 (10.2)< 0.001
Missing1 (0.1) 
Alcohol abuse
 (35 g per day or more)68 (3.1)54 (4.9) 
Missing39 (3.6)< 0.01
Smoking habits% (CI) or mean (SD) 
 Current smokers51.6 (48.6–54.6)
N = 561
25.9 (24.0–27.7)
N = 575
< 0.001
 Former smokers19.2 (16.9–21.6)
N = 209
26.0 (24.1–27.8)
N = 577
< 0.001
 Never smokers29.1 (26.4–31.8)
N = 317
48.0 (45.9–50.1)
N = 1066
< 0.0001
Number of cigarettes in current smokers15.8 (SD 8.8)12.0 (SD 6.1)< 0.01
Heavy smokers22.5 (20.0–25.0)6.3 (5.3–7.4)< 0.001
Quitting rate27.1 (24.0–30.3)50.1 (47.1–52.9)< 0.001
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