Bacterial communities in penile skin, male urethra, and vaginas of heterosexual couples with and without bacterial vaginosis

Table 1 Demographics and STI risk factors in couples in which the female does or does not have bacterial vaginosis (BV)

	Women			Men
	BV (n = 65)	Normal (n = 31)	P value^a	BV (n = 65)	Normal (n = 65)	P value^a
Mean age, years ± SD	27.3 ± 6.6	28.4 ± 7.7	0.473	30.0 ± 8.4	32.2 ± 12.0	0.295
African-American, n (%)	57 (88 %)	22 (71 %)	0.045	55 (85 %)	24 (77 %)	0.388
Married, n (%)	10 (15 %)	5 (16 %)	0.688	10 (15 %)	5 (16 %)	0.451
History of STD
Gonorrhea, n (%)	17 (26 %)	7 (23 %)	0.705	17 (26 %)	8 (26 %)	0.971
Chlamydia, n (%)	29 (45 %)	8 (26 %)	0.077	20 (31 %)	6 (19 %)	0.239
Trichomonas, n (%)	19 (29 %)	9 (29 %)	0.984	2 (3 %)	1 (3 %)	0.969
Number of sex partners
≥2 in last 12 months, n (%)	27 (42 %)	12 (39 %)	0.792	34 (52 %)	18 (58 %)	0.597
≥2 in last 60 days, n (%)	2 (3 %)	2 (7 %)	0.592	5 (8 %)	4 (13 %)	0.413
Mean duration of partnership^b, months	39.8	44.7	0.654	46.9	46.3	0.963
Mean number of sexual acts/month^b
Vaginal intercourse	11.3	12.0	0.683	11.9	14.3	0.406
Received oral sex	6.0	5.0	0.581	5.7	7.7	0.477
Performed oral sex	4.5	4.7	0.920	4.8	7.6	0.294
Anal intercourse in last month, n (%)	12 (19 %)	5 (17 %)	0.832	10 (16 %)	3 (10 %)	0.535
Never or rarely use condoms^b, n (%)	44 (68 %)	19 (61 %)	0.683	40 (62 %)	20 (65 %)	0.935
Circumcised, n (%)	–	–	–	35 (54 %)	23 (74 %)	0.057

^a P values are by Pearson’s chi-square of Fisher’s Exact tests for categorical variables and by t tests for continuous variables
^bWith enrolled partner
SD standard deviation, STD sexually transmitted disease

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