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. 2017 Nov 5;39:e2017049. doi: 10.4178/epih.e2017049

Table 2.

Factors associated with unprotected sex in subgroups of PWID defined by economic status

High-income Low-income
Age 1.53 (1.23, 1.74) 1.14 (0.72, 1.80)
Education 1.00 (1.54, 1.34) 0.92 (0.52, 1.80)
Living status 1.48 (1.26, 1.84) 2.91 (1.88, 4.50)
Marital status 0.44 (0.18, 1.60) 0.46 (0.74, 2.87)
Methamphetamine use 1.15 (0.74, 1.27) 1.20 (0.71, 1.90)
Dropped out of school 1.48 (0.90, 2.44) 1.23 (0.71, 1.92)
Age of first drug use 1.12 (0.72, 1.80) 1.42 (0.74, 2.85)
Age of first unprotected sex 1.10 (0.51, 2.02) 1.20 (0.68, 2.07)
Age of first drug injection 0.31 (0.05, 2.10) 0.92 (0.52, 1.74)
History of incarceration 1.22 (0.78, 1.93) 0.76 (0.48, 1.31)
Knowledge of partner’s HIV status 1.34 (0.63, 2.78) 2.10 (0.91, 3.54)
HIV knowledge 1.60 (1.26, 2.84) 2.85 (1.78, 4.40)
Access to harm reduction programs 2.70 (2.05, 3.74) 1.30 (0.40, 2.78)

Values are presented as odds ratio (95% confidence interval).

PWID, people who inject drugs; HIV, human immunodeficiency virus.