Table 1.

Characteristics of study participants, by self-reported previous-year use of poppers during sexual intercourse with casual partners (n = 349)

	Poppers use with casual partners
	Yes (n = 80) No. (%)	No (n = 269) No. (%)	Odds Ratio (95% CI)
Has casual partner(s)	75 (96.2)	159 (59.1)	17.3 (5.4–87.5)
No casual partner(s)	3 (3.9)	110 (40.9)
Any anal intercourse with casual partner	70 (93.3)	103 (67.3)	6.8 (2.5–22.8)
No anal intercourse with casual partner	5 (6.7)	50 (32.7)
Receptive anal intercourse (RAI) with casual partner	58 (77.3%)	75 (50.0%)	3.4 (1.8–6.8)
No RAI with casual partner	17 (22.7%)	75 (50.0%)
Unprotected RAI with casual partner	25 (43.1)	26 (34.7)	1.4 (0.7–3.1)
No unprotected RAI with casual partner	33 (56.9)	49 (65.3)
Insertive anal intercourse (IAI) with casual partner	60 (80.0)	88 (57.9)	2.9 (1.5–6.0)
No IAI with casual partner	15 (20.0)	64 (42.1)
Unprotected IAI with casual partner	29 (48.3)	29 (33.0)	1.9 (0.9–3.9)
No unprotected IAI with casual partner	31 (51.7)	59 (67.1)