HBsAg positive

HBsAg negative

p

Activity

Informal trade

17

148

0.6848

Prostitution in bars or on the street

15

97

Prostitution in the city

9

59

Reasons

Parents’ deaths

11

99

0.6507

Abandonment by parents

8

65

Support studies

9

58

Train by girlfriends

7

30

Seek sexual pleasure

6

52