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Table 3 Logistic regression analysis of STIs, social and behavioural factors associated with HIV

From: Reproductive health problems in rural South African young women: risk behaviour and risk factors

Social and behavioural factors

Odds Ratio (95% CI)

Adjusted Odds Ratio (95% CI)a

Age in years

1.31 (1.16–1.47)**

1.21 (1.06–1.40)*

Living with both parents

0.55 (0.36–0.86)*

0.65 (0.40–1.10)

Level of education in the household b

0.71 (0.45–1.11)

 

Percentage of adults employed in the household

0.96 (0.85–1.09)

 

Sexual debut before 16 years of age

0.97 (0.87–1.07)

 

Number of lifetime sexual partners

1.27 (1.13–1.42)**

1.17 (1.04–1.31)*

Have a steady partner

1.13 (0.58–2.18)

 

Age difference to older partner (years)

 Age-homogenous (≤ 4)

1

1

 Intragenerational (5–9)

1.58 (1.16–2.15)*

1.51 (1.06–2.15)*

 Intergenerational (≥ 10)

2.46 (1.37–4.40)*

2.06 (1.05–4.06)*

Ever been sexually abused

1.55 (0.96–2.49)

 

Ever been paid to have sex

2.12 (0.96–4.70)

 

Condom used during last sexual intercourse

1.50 (1.11–2.04)*

1.60 (1.16–2.20)*

Using hormonal contraceptive

0.84 (0.62–1.15)

 

Know what an STI is

1.24 (0.89–1.71)

 

Number of times treated for an STI

1.60 (1.27–2.01)**

1.32 (1.02–1.71)*

Taking illicit drugs

1.99 (1.07–3.69)*

1.43 (0.65–3.11)

Alcohol debut age

 16

2.32 (0.92–5.80)

 

 17

1.27 (0.93–1.70)

 

 18

1.07 (0.81–1.40)

 

 19

1.23 (0.97–1.56)

 

 20

1.08 (0.86–1.35)

 
  1. CI confidence interval
  2. *p < 0.05; **p < 0.001
  3. aAll variables in the table with p < 0.05 in univariate analysis were included in the multivariable analyses
  4. bCategorised as secondary (grade 8–12) or tertiary