Table 2 Predictors of perceived male partner concurrency, among women enrolled in the Carraguard™ trial in Durban, South Africa

Age groups (years)

 <25

1

1

 25–34

1.19 (0.90, 1.59)

1.42 (1.06–1.91)

 >35

1.58 (1.21, 2.07)

2.19 (1.61–2.98)

Age of steady partner (in years older)

 ≤1 year older

1

 2–4 years older

0.92 (0.69, 1.25)

 5–6 years older

0.78 (0.54, 1.12)

 ≥7 years older

1.23 (0.90, 1.69)

Concurrent sexual partner in addition to steady partner

 No

1

1

 Yes

2.01 (1.36, 2.97)

1.77 (1.19–2.64)

Pregnancy during the study

 Not pregnant

1

 Pregnant

0.88 (0.059, 1.29)

Ever experienced forced sex

 No

1

 Yes

1.35 (0.98, 1.86)

Ever experienced economic abuse

 No

1

1

 Yes

1.55 (1.08, 2.21)

1.52 (1.06–2.20)

Ever experienced emotional abuse

 No

1

 Yes

1.16 (0.86, 1.57)

Ever experienced physical abuse

 No

1

 Yes

1.12 (0.75, 1.67)

Sex for cash

 No

1

 Yes

1.64 (0.86, 3.12)

Steady partner circumcised

 No

1

 Yes

1.33 (1.03, 1.73)

Marital status

 Married

1

1

 Never married

1.47 (1.12, 1.92)

2.01(1.48–2.72)

Changed partner during the study

 No

1

 Yes

1.43 (1.00, 2.04)

Reported > 3 coital acts in the 2 weeks prior to screening

 No

1

 Yes

0.99 (0.78–1.25)

Unprotected oral sex

 No

1

 Yes

0.71 (0.50, 0.99)

Unprotected anal sex

 No

1

 Yes

0.79 (0.47, 1.34)

Condom use at baseline

 No

1

 Yes

1.13 (0.90–1.42)

Any contraceptive use reported at screening

 No

1

 Yes

0.80 (0.62, 1.01)

Non-reversible contraception

 No

1

 Yes

0.95 (0.66, 1.36)

Hormonal contraception

 No

1

 Yes

0.77 (0.61, 0.98)

Condom use as contraception

 No

1

 Yes

1.25 (0.95–1.65)

Diagnosed with STI at screening

 No

1

 Yes

1.38 (1.06, 1.81)