italians % migrants % p value OR (95%CI)
Total 18174   7371        
Gender*         0.000    
Male 15269 84.0 4048 54.9   1  
Female 2902 16.0 3322 45.1   2.51 (2.34-2.70)
missing 3 0.0 1 0.0      
Median age at diagnosis in years **(IQR) 39 (32-48)   33 (28-40)   0.000    
Age class at diagnosis (in years)*         0.000    
<=24 1279 7.0 966 13.1   1  
25-34 4877 26.8 3129 42.5   0.89 (0.80-0.99)
35-44 5959 32.8 2275 30.9   0.53 (0.47-0.59)
45-54 3733 20.5 805 10.9   0.27 (0.24-0.30)
>=55 2318 12.8 194 2.6   0.09 (0.07-0.11)
missing 8 0.0 2 0.0      
Area of residence*         0.000    
Northern Italy 10109 55.6 3382 45.9   1  
Centre Italy 4258 23.4 2300 31.2   1.71 (1.59-1.84)
Southern Italy 3807 20.9 1689 22.9   1.29 (1.19-1.39)
HIV transmission mode*         0.000    
IDU 1368 7.5 241 3.3   1  
MSM 7221 39.7 1159 15.7   1.04 (0.89-1.22)
Heterosexual 6984 38.4 4765 64.6   3.45 (2.97-3.99)
Other 84 0.5 64 0.9   2.15 (1.47-3.15)
Not determined 2517 13.8 1142 15.5   2.58 (2.20-3.03)
Late presenters*         0.000    
No 10810 60.3 4448 60.3   1  
Yes 7364 39.7 2923 39.7   1.19 (1.11-1.27)
Years of diagnosis*         0.000    
2006-2008 6927 38.1 3144 42.7   1  
2009-2013 11247 61.9 4227 57.3   0.90 (0.84-0.96)
*Chi square test, **U Mann Whitney test
Table 2: Characteristics of new HIV diagnoses among Italians and foreign migrants.