Table 1 Contraceptive use amongst woman who have been sexually active within the last 12 months (n = 3618)

Geotype

Rural formal

197/316

(60.5%)

1.0

Rural informal

782/1 503

(56.3%)

0.8 (0.4–1.6)

Urban formal

932/1 586

(56.2%)

0.8 (0.5–1.3)

Urban informal

124/213

(57.1%)

p = 0.907

0.9 (0.5–1.6)

Electricity to house

No

402/781

(55.7%)

1.0

Yes

1627/2 827

(57.0%)

p = 0.891

0.9 (0.5–2.0)

Age (years)

15–19

849/1 566

(59.0%)

1.0

20–24

11186/2 052

(55.2%)

p = 0.421

0.9 (0.6–1.2)

Education

Not completed high school

792/1 436

(53.2%)

1.0

In school/completed high school

1242/2 180

(59.1%)

p = 0.071

1.3 (1.0–1.6)

Marital status

Single

1929/3 421

(56.7%)

1.0

Married

105/196

(55.1%)

p = 0.786

0.9 (0.6–1.5)

Occupational status

Unemployed

879/1 670

(50.6%)

1.0

Employed

272/434

(63.1%)

1.7 (1.2–2.3)

Student

882/1 511

(62.3%)

p < 0.001

1.6 (1.2–2.2)

Race

White/Coloured/Indian

237/416

(51.7%)

1.0

Black

1798/3 202

(57.2%)

p = 0.284

1.2 (0.8–1.9)

HIV status

Not infected

1629/2 912

(57.2%)

1.0

Infected

406/706

(54.4%)

p = 0.518

0.9 (0.6–1.3)

No. of lifetime partners

1 lifetime partner only

855/1 487

(59.1%)

1.0

> 1 lifetime partners

1178/2 126

(54.8%)

p = 0.163

0.8 (0.7–1.1)

No. of partners in last 12 months

1 partner only

1790/3 155

(57.9%)

1.0

More that one partner

245/463

(47.7%)

p = 0.003

0.7 (0.5–0.9)

Sexual debut

15 or younger

1572/2 753

(55.2%)

1.0

Over 15 years

462/863

(61.5%)

p = 0.454

1.3 (0.7–2.6)

Type of last partner

Main partner

2000/3 541

(57.0%)

1.0

Casual partner

27/65

(30.2%)

p < 0.001

0.3 (0.2–0.6)

Length of last relationship

More than one month

1769/3 081

(56.8%)

1.0

1 month or less

221/458

(58.0%)

p = 0.873

1.0 (0.6–1.9)

Age difference to last partner

Less than 10 years

1902/3 353

(57.1%)

1.0

10 years or more

108/220

(49.6%)

p = 0.155

0.7 (0.5–1.1)

Freq of sex in past month

None

629/1 304

(51.7%)

1.0

1–5 times

1151/1 892

(60.1%)

1.4 (1.0–2.1)

More than five times

228/375

(58.9%)

p = 0.074

1.4 (0.8–2.5)

Talked to last partner about using condoms

No

376/801

(41.2%)

1.0

Yes

1651/2 802

(60.7%)

p < 0.001

2.2 (1.5–3.3)

Ever been pregnant

No

951/1 834

(52.7%)

1.0

Yes

1084/1 782

(60.6%)

p = 0.002

1.4 (1.1–1.7)

Ever had unwanted pregnancy

No

369/601

(62.8%)

1.0

Yes

713/1 179

(59.4%)

p = 0.327

0.9 (0.7–1.2)

Parents know where you are at night

No – not always

662/1 255

(54.0%)

1.0

Yes

978/1 681

(58.4%)

p = 0.140

1.2 (0.9–1.5)

How strict are the rules at home

Not strict/not very strict

602/1 084

(52.5%)

1.0

Strict/very strict

1044/1 871

(58.5%)

p = 0.061

1.3 (1.0–1.6)

Can approach parents/guardians about sex

No/not sure

897/1 645

(53.4%)

1.0

Yes

1137/1 971

(59.2%)

p = 0.109

1.3 (0.9–1.7)

Parent/guardian taking care of them at home

Yes

1843/3 272

(55.8%)

1.0

No

191/345

(63.5%)

p = 0.076

1.4 (1.0–2.0)

Condom accessibility

Very/somewhat easy

1936/3 430

(57.2%)

1.0

Very/somewhat difficult/not sure

95/182

(44.9%)

p = 0.105

0.6 (0.3–1.1)