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Table 1 Demographic characteristics of the participants and the results of the univariate analysis of demographic characteristics and HIV seroconversion.

From: HIV incidence among men who have sex with men using geosocial networking smartphone application in Beijing, China: an open cohort study

  All
n (%)
HIV seroconversion P value
Yes No
n (%) n (%)
Age (years) 0.91
 18–26 954 (49.3) 17 (46.0) 937 (49.3)  
 27–36 775 (40.0) 16 (43.2) 759 (40.0)  
 37–60 208 (10.7) 4 (10.8) 204 (10.7)  
Education level 0.15
 High school or below 253 (13.1) 7 (18.9) 246 (13.0)  
 College & undergraduate 1304 (67.3) 27 (73.0) 1277 (67.2)  
 Postgraduate 380 (19.6) 3 (8.1) 377 (19.8)  
Duration of residence in Beijing 0.47
 < 6 months 169 (8.7) 5 (13.5) 164 (8.6)  
 6–11 months 132 (6.8) 1 (2.7) 131 (6.9)  
 12–23 months 877 (45.3) 17 (46.0) 860 (45.3)  
 24 months or more 590 (30.5) 9 (24.3) 581 (30.6)  
 Local resident 169 (8.7) 5 (13.5) 164 (8.6)  
Occupation* 0.07
 Workers 44 (2.3) 1 (2.7) 43 (2.3)  
 Service sector 105 (5.4) 2 (5.4) 103 (5.4)  
 Civil servants 154 (8.0) 1 (2.7) 153 (8.1)  
 Students 186 (9.6) 3 (8.1) 183 (9.6)  
 Company employees 471 (24.3) 3 (8.1) 468 (24.6)  
 Freelancers 116 (6.0) 4 (10.8) 112 (5.9)  
 Other 861 (44.4) 23 (62.2) 838 (44.1)  
  1. *Hypothesis testing of rate/proportion differences using Fisher’s exact test
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