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
Ethnic minority
P Value
Yes
No
Distance from the Border
1 km
29 (73%)
11 (28%)
P = .0017
3 km
20 (57%)
15 (43%)
12 km
29 (62%)
11 (38%)
13 km
29 (64%)
16 (36%)
14 km
86 (43%)
113 (57%)