Table 3.

Relationship status, duration of partnership and number of partners

	Cases	Controls	OR	p-value	Confidence interval (CI)
Relationship status
Single	46% (n = 48)	48% (n = 50)	0.9	0.8	0.54–1.59
“monogamous” homosexual relationship	39% (n = 39)	32% (n = 34)	1.23	0.5	0.70–2.18
Non-monogamous homosexual relationship	2% (n = 2)	7% (n = 7)	0.3	0.09	0.06–1.34
“monogamous” heterosexual relationship	0% (n = 0)	5% (n = 5)	0.5	0.02	0.42–0.56
Non-monogamous heterosexual relationship	0% (n = 0)	2% (n = 2)	0.5	0.15	0.43–0.56
Duration of relationship
< 6 months	50% (n = 22)	20% (n = 10)	3.9	0.003	1.57–9.70
6–12 months	11% (n = 5)	8% (n = 4)	1.4	0.6	0.36–5.75
> 12 months	39% (n = 17)	71% (n = 35)	0.25	0.001	0.11–0.60
Number of sex partners
1 partner	18% (n = 14)	18% (n = 14)	1	0.95	0.44–2.17
2–20 partners	70% (n = 53)	78% (n = 60)	0.7	0.25	0.40–1.26
> 20 partners	12% (n = 9)	4% (n = 3)	3.3	0.07	0.86–12.8