Table 2.

Demographic characteristics of the couple.

Length of relationship (years)a	N	%
Mean	5
Median	2.3
Range	0–30
Age difference with main partner
Within 1 year apart	193	26
2–10 years apart	416	57
Greater than 10 years apart	122	17
Race
Same as partner	524	72
Different than partner	208	28
Unprotected anal sex with main partner in past year
No	88	13
Yes	579	87
Frequency of anal/oral sex with main partner in past year
About once a month	37	6
2 or 3 times a month	90	15
About once a week	124	20
2 or 3 times a week	189	31
More than 3 times a week	178	29
Unprotected anal sex with man outside of relationship in past year
No	626	86
Yes	106	14
Current sexual agreement with main partner
We do not have an agreement.	64	9
Both cannot have any sex with an  outside partner.	464	64
Can have sex with outside partners,  but with some conditions	180	24
Can have sex with outside partners,  without any conditions	21	3
Agreement permits unprotected anal sex  outside of relationship
No	157	82
Yes	34	18
Length of time in relationship before forming current sexual agreement
0–5 months	470	70
6–11 months	60	9
1–2 years	67	10
3–4 years	32	5
4+ years	42	6
Respondent ever broken their sexual agreement
No	560	84
Yes	106	16
Last time respondent broke his agreement he told his partner right away
No	81	76
Yes	25	24

^aLength measured as time since first anal/oral intercourse.