Table 2

HSV-2 seroconversion by selected demographic and behavioural factors

HSV-2 seroconversion

COR (95% CI)

AOR (95% CI)

%

n/N


Total

4.4

73/1672


Race


White

3.7

19/519

Referent

Latina

3.7

12/322

1.02 (0.49–2.13)

Black

7.5

18/239

2.14 (1.10–4.16)

2.31 (1.28–4.14)

API

3.6

14/389

0.98 (0.49–1.99)

Multi/Other

4.9

10/203

1.36 (0.62–2.99)


Age


15–19

3.6

29/801

Referent

20–24

5.1

44/871

1.42 (0.88–2.29)

0.89 (0.50–1.58)


Age at first sexual intercourse


> 15 years

4.7

45/960

Referent

≤ 15 years

3.9

28/712

0.83 (0.51–1.35)


Ever pregnant


No

3.6

41/1156

Referent

Yes

6.2

32/516

1.80 (1.12–2.89)

1.61 (0.99–2.63)


Ever diagnosed with an STI (N = 1640)


No

4.0

53/1312

Referent

Yes

6.1

20/328

1.54 (0.91–2.62)


CT-infected at enrollment (N = 1640)


No

4.2

66/1572

Referent

Yes

10.3

7/68

2.62 (1.15–5.95)


Number of partners in last 6 months


1 partner

3.7

45/1203

Referent

≥ 2 partners

6.0

28/469

1.63 (1.01–2.65)

1.75 (1.07–2.89)


Any unprotected sexual intercourse in last 6 months (N = 1670)


No

3.6

32/900

Referent

Yes

5.3

41/770

1.53 (0.95–2.45)


Last sexual intercourse was unprotected (N = 1671)


No

4.0

60/1519

Referent

Yes

8.6

13/152

2.27 (1.22–4.25)


Currently uses condoms (N = 1671)


No

4.9

29/592

Referent

Yes

4.1

44/1079

0.83 (0.51–1.33)


Condom use at last intercourse (N = 1671)


No

5.5

40/728

Referent

Yes

3.5

33/943

0.62 (0.39–1.00)

0.56 (0.34–0.92)


Pressured into having sex in last 6 months (N = 1667)


No

4.1

65/1575

Referent

Yes

8.7

8/92

2.21 (1.03–4.76)


Last sexual partner over 25 years old (N = 1672)


No

3.7

46/1235

Referent

Yes

6.2

27/437

1.70 (1.04–2.77)

1.58 (0.90–2.76)


HSV-2, herpes simplex virus type 2; COR, crude odds ratio; AOR, adjusted odds ratio; CI, confidence interval; API, Asian or Pacific Islander; STI, sexually transmitted infection; CT, Chlamydia trachomatis.

Moss et al. BMC Infectious Diseases 2007 7:113   doi:10.1186/1471-2334-7-113

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