Table 2.

Proportion of respondents reporting dual method use arcoss socio-demographic, relationship, and STI variables, US adults aged 18–44 (N=820)

	Dual method use, all users	P	Dual method use, men only	P	Dual method use, women only	P
Socio-demographic Characteristics
Age		0.000 ***		0.012 *		0.003 **
18–24	20.9		20.0		21.8
25–34	12.0		9.8		13.9
35–44	6.8		7.7		5.8
Highest level of education achieved		0.435		0.428		0.527
less than high school	10.0		13.9		4.2
high school	13.4		13.5		13.2
some college	10.1		7.4		12.3
bachelor’s degree or higher	13.8		12.7		14.9
Race and ethnicity		0.479		0.536		0.854
white	13.4		13.2		13.6
black	11.3		7.1		13.5
Hispanic	9.1		8.0		10.5
other	13.6		10.8		17.2
Relationship & Partner Factors
Relationship status with last PVI partner		0.000 ***		0.002 **		0.000 ***
steady partner (girlfriend, boyfriend, spouse)	5.3		5.6		4.9
casual dating partner	16.7		13.1		19.3
friend	23.4		18.2		28.8
other (someone just met, someone paid or received something in exchange for sex)	19.0		22.0		14.7
# of prior intercourse episodes with partner		0.000 ***		0.000 ***		0.019 *
0 or 1 prior episode	27.3		27.5		27.0
2–9 prior episodes	12.0		15.5		5.9
10 or more prior episodes	10.3		7.8		12.5
Whether partner had an STI at the time		0.339		0.128		0.597 ***
knew partner did NOT have an STI	12.4		10.5		14.3
knew person DID have an STI	3.6		0.0		6.7
didn’t know	14.3		17.5		11.3
STI/HIV Testing History
Time of last HIV test		0.001 **		0.051		0.001 **
within 6 months	18.2		10.9		23.4
6–12 months ago	17.7		21.4		15.5
over 1 year ago	6.8		7.6		6.1
Time of last STI testing		0.044 *		0.019 *		0.265
within 6 months	18.9		16.1		19.8
6–12 months ago	17.9		28.6		14.6
over 1 year ago	10.3		8.2		11.8
Ever been diagnosed with an STI or HIV		0.337		0.908		0.228 *
yes	15.3		10.7		17.1
no	11.9		11.4		12.4

Significant dual method differences:

^***p<.001;

^**p<.01;

^*p<.05