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Table 4 Factors associated with crossing the border among injecting drug users in the China-Vietnam border area

From: Patterns of HIV prevalence among injecting drug users in the cross-border area of Lang Son Province, Vietnam, and Ning Ming County, Guangxi Province, China

Vietnam Crossed borders P Value
  Yes No  
Ethnic Minority    
Yes 56 (31%) 125 (69%) P = .0015
No 27 (16%) 138 (84%)  
HIV    
Positive 20 (13%) 139 (87%) P <.0001
Negative 63 (34%) 124 (66%)  
Distance from the Border    
1 km 39 (98%) 1 (3%) P <.0001
3 km 3 (9%) 32 (91%)  
12 km 8 (29%) 20 (71%)  
13 km 12 (27%) 33 (73%)  
14 km 21 (11%) 177 (89%)  
China    
Ethnic Minority    
Yes 28 (13%) 181 (87%) P = .0053
No 2 (2%) 81 (98%)  
HIV    
Positive 8 (17%) 40 (83%) P = .1242
Negative 22 (9%) 219 (91%)  
Distance from the Border    
0 km 20 (51%) 19 (49%) P <.0001
19 km 3 (17%) 15 (83%)  
57 km 7 (3%) 228 (97%)