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. Author manuscript; available in PMC: 2020 Jun 10.
Published in final edited form as: Int J Drug Policy. 2018 Oct 31;61:44–51. doi: 10.1016/j.drugpo.2018.07.001

Table 2.

Multinomial logistic regression of peer to peer injection.

No Peer
Injection		 Injection
provider β 95% Confidence Interval		 Both
β 95% Confidence Interval		 Injection recipient
β 95% Confidence Interval
Injection frequency, 30 days referent 1.00 (1.00, 1.01)* 1.01 (1.00, 1.01)* 1.00 (1.00, 1.01)
Age referent 0.94 (0.91, 0.97)* 1.00 (0.96, 1.04) 1.00 (0.97, 1.03)
Years of injecting referent 1.03 (1.00, 1.06)* 1.00 (0.97, 1.03) 0.98 (0.95, 1.00)*
Any illegal income, last 30d referent 1.55 (1.03, 2.35)* 2.38 (1.40, 4.03)* 0.89 (0.56, 1.44)
Any meth injection, last 30d referent 2.75 (1.64, 4.61)* 5.38 (2.83, 10.20)* 1.77 (0.95, 3.29)
Any heroin injection, last 30d referent 2.14 (1.14, 4.02)* 2.12 (0.99, 4.52) 0.78 (0.40, 1.52)
Inject with others, last 30 days referent 5.71 (2.66, 12.20)* 12.35 (2.92, 52.63)* 3.95 (1.92, 8.13)*

β=point estimate.

*

p < 0.05.