Table 2 HSV-2 seroconversion by selected demographic and behavioural factors

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)