Table 3.

Multivariate Logistic Regression Results of STIs Regressed on Means of Meeting Sexual Partners Venue Controlling for Demographics and Drugs, August 2011 – January 2013.

Predictor	Gonorrhoea (n=6,356)		Chlamydia (n=6,335)		Syphilis (n=6,282)		HIV (n=6,569)
	p-value	OR (95% CI)	p- value	OR (95% CI)	p- value	OR (95% CI)	p-value	OR (95% CI)
Age Group (REF = 30–39)		p < 0.0001		p = 0.007		p = 0.08		p = 0.17
<20	0.0015	2.00 (1.31–3.08)	0.002	1.98 (1.28–3.07)	0.79	0.82 (0.19–3.59)	0.73	0.87 (0.38–1.99)
20–24	<.0001	1.53 (1.24–1.89)	0.04	1.27 (1.01–1.59)	0.83	0.93 (0.50–1.76)	0.02	0.57 (0.35–0.92)
25–29	0.0005	1.40 (1.16–1.69)	0.16	1.16 (0.94–1.42)	0.11	0.59 (0.31–1.12)	0.19	0.76 (0.51–1.15)
40–49	0.04	0.78 (0.61–0.99)	0.33	0.89 (0.70–1.13)	0.23	1.41 (0.80–2.47)	0.35	0.80 (0.50–1.28)
50+	0.40	0.86 (0.61–1.22)	0.91	1.02 (0.72–1.44)	0.07	1.96 (0.94–4.10)	0.06	0.41 (0.16–1.05)
Ethnicity (REF = White)		p = 0.1		p = 0.73		p = 0.1		p = 0.0001
Asian/PI	0.04	0.74 (0.56–0.98)	0.32	1.15 (0.88–1.50)	0.70	0.83 (0.32–2.14)	0.03	1.84 (1.06–3.20)
Black	0.36	1.14 (0.86–1.52)	0.74	1.05 (0.77–1.45)	0.31	1.54 (0.67–3.56)	<.0001	3.22 (1.95–5.31)
Hispanic	0.35	1.08 (0.92–1.28)	0.42	1.08 (0.90–1.30)	0.02	1.80 (1.10–2.95)	0.13	1.35 (0.91–1.99)
Other	0.47	1.15 (0.78–1.70)	0.30	1.25 (0.83–1.88)	0.11	2.21 (0.84–5.81)	0.90	0.93 (0.33–2.65)
Education (REF = College Grad)		p = 0.1		p = 0.04		p = 0.81		p < 0.0001
<High School	0.82	0.92 (0.45–1.89)	0.68	1.17 (0.57–2.40)	0.67	1.37 (0.31–6.01)	0.0018	4.81 (1.79–12.90)
Some HS	0.37	1.27 (0.76–2.11)	0.85	1.06 (0.59–1.92)	0.95	0.95 (0.22–4.20)	0.19	2.07 (0.70–6.11)
HS Grad	0.15	1.18 (0.94–1.48)	0.002	1.47 (1.16–1.86)	0.73	1.12 (0.58–2.16)	<.0001	4.30 (2.78–6.65)
Some College	0.23	1.11 (0.94–1.33)	0.16	1.15 (0.95–1.39)	0.39	1.24 (0.75–2.05)	0.0002	2.19 (1.46–3.29)
Post-Grad	0.03	0.71 (0.52–0.97)	0.54	0.91 (0.68–1.23)	0.32	0.62 (0.24–1.59)	0.34	0.66 (0.28–1.55)
Drug Predictors
Meth	<.0001	1.84 (1.45–2.34)	0.0004	1.59 (1.23–2.06)	<.0001	3.53 (2.08–5.97)	0.0007	2.13 (1.38–3.30)
Ecstasy	0.13	1.20 (0.95–1.53)	0.56	0.92 (0.70–1.21)	0.48	0.75 (0.34–1.66)	0.55	1.17 (0.70–1.97)
Nitrates	0.08	1.18 (0.98–1.42)	0.15	1.15 (0.95–1.40)	0.29	1.30 (0.80–2.13)	0.03	1.50 (1.03–2.19)
Cocaine	0.44	1.09 (0.88–1.36)	0.03	1.29 (1.02–1.63)	0.81	0.92 (0.46–1.84)	0.57	1.15 (0.72–1.83)
Means of Meeting Sex Partners		p = 0.0004		p = 0.004		p = 0.57		p = 0.26
Internet (In Person)	0.19	0.88 (0.73–1.06)	0.21	1.14 (0.93–1.39)	0.29	1.32 (0.79–2.20)	0.55	0.89 (0.61–1.30)
Phone App (Internet)	0.0001	1.42 (1.19–1.70)	0.05	1.20 (1.00–1.45)	0.66	0.89 (0.54–1.48)	0.31	0.81 (0.54–1.22)
Phone App (In Person)	0.0099	1.25 (1.06–1.48)	0.001	1.37 (1.13–1.65)	0.55	1.18 (0.69–2.01)	0.10	0.72 (0.49–1.07)