. Author manuscript; available in PMC: 2021 Aug 1.

Published in final edited form as: Arch Sex Behav. 2020 Jun 4;49(6):1995–2003. doi: 10.1007/s10508-020-01744-5

Table 3:

Frequency of group sex risk behaviors and associated odds with type of group sex

	Risky (receptive) fingering
GS class	%¹	Unadjusted		Adjusted²
GS class	%¹	OR (95% CI)	P	OR (95%CI)	P
Familiar	54%	1.6 (1.3-1.9)	<0.0001	1.6 (1.3-2.0)	<0.0001
Intimate	33%	0.8 (0.7-1.1)	0.1461	0.8 (0.7-1.1)	0.1616
Impromptu	33%	0.8 (0.7-1.1)	0.0648	0.8 (0.6-1.0)	0.0518
Party	40%	0.9 (0.7-1.3)	0.7022	0.9(0.7-1.3)	0.7326
	Risky (receptive) fisting and or sex toys
GS class	%¹	Unadjusted		Adjusted²
GS class	%¹	OR (95% CI)	P	OR (95%CI)	P
Familiar	24%	2.0 (1.5-2.8)	<0.0001	2.3 (1.6-3.1)	<0.0001
Intimate	4%	0.6 (0.4-0.9)	0.0126	0.6 (0.4-0.9)	0.0271
Impromptu	2%	0.5 (0.4-0.8)	0.0031	0.5 (0.3-0.7)	0.0006
Party	16%	1.6 (0.9-2.5)	0.0635	1.6 (1.0-2.7)	0.0486
	CAI
GS class	%¹	Unadjusted		Adjusted²
GS class	%¹	OR (95% CI)	P	OR (95%CI)	P
Familiar	31%	1.1 (0.9-1.4)	0.2515	1.1 (0.9-1.4)	0.2389
Intimate	24%	1.0 (0.8-1.2)	0.8032	1.0 (0.8-1.2)	0.8281
Impromptu	21%	0.6 (0.5-0.8)	0.0001	0.6 (0.5-0.8)	<0.0001
Party	36%	1.5 (1.1-2.1)	0.0191	1.5 (1.1-2.1)	0.0188

GS=group sex, CAI=condomless anal intercourse, OR=odds ratio, CI=confidence interval

^1.

% in this table represents the percentage of group sex events during which the outcome was reported (from a total of 1033 events occurring in 392 participants)

^2.

Adjusted for age (continuous) and born in the Netherlands.