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. 2018 May 23;8:8046. doi: 10.1038/s41598-018-26413-5

Table 3.

Characteristics associated with illicit drug use in the study population (N = 438).

Variablea OR 95% CI p
Age in years 0.96 0.94–0.98 <0.001
Gender (Ref: male)
Female 0.27 0.14–0.53 <0.001
HIV transmission (Ref: sexual contact)
IV drug use 1.72 0.65–4.55 0.271
Blood transfusion 0.58 0.09–3.50 0.548
Not clear 0.45 0.24–0.84 0.013
Place of residence (Ref: city with more than a million residents)
Community up to 5000 residents 0.42 0.20–0.87 0.020
Town up to a 100000 residents 0.48 0.21–1.09 0.081
Large town up to a million residents 0.96 0.41–2.24 0.929

aVariables with the cut-off point of p < 0.2 in the univariate analysis were included in the model. During stepwise backwards elimination only those with the significance level of p < 0.05 were retained in the final model. Variables included in the first step were: age, sex, sexual orientation, relationship status, place of residence, mode of HIV transmission, time passed since HIV diagnosis, duration of HAART.