Table 1.

Demographic characteristics of participants and their and high-risk behavior

Characteristics	Mean±SD or n (%)
Age (y)	34.11±11.39
Marital status
Single	63 (15.9)
Married (1 wife)	158 (39.8)
Married (more than 1 wife)	176 (44.3)
Education
Illiterate	42 (10.5)
Primary	87 (21.9)
High school	269 (67.6)
Employed (last year)
Yes	147 (39.7)
No	223 (60.3)
Presence of income (mo)
Yes	153 (40.3)
No	227 (59.2)
Residency status
Homeless	238 (64.7)
Having a house	130 (35.3)
Access to heating and cooling equipment
Yes	385 (99.2)
No	3 (0.8)
Lack of money to buy essential food (last year)
Yes	364 (94.1)
No	23 (5.9)
Prison history (last 10 y)
Yes	190 (47.9)
No	207 (52.1)
Drug injection (last time)
Last month	234 (59.2)
Last year (except the last mo)	161 (40.8)
Injection drug use using a shared syringe
Yes	110 (31.6)
No	238 (68.4)
No. of sexual partners (last 6 mo)
One partner	209 (53.7)
More than one partner	180 (46.3)
No. of instances of sexual intercourse (last 1 mo)	2.12±1.39
Age at first drug use	17.95±1.97
Age at first drug injection	22.31±4.14
Age at first sexual intercourse	18.63±1.61
Men who have sex with men
Yes	51 (14.7)
No	296 (85.3)
Risk perception of HIV
Yes	64 (18.1)
No	290 (81.9)
Self-rated health (Visual Analogue Scale)	42.58±9.64

SD, standard deviation; HIV, human immunodeficiency virus.