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Table 6 Likelihood of "condom use at last casual sex" and "having ≥2 sexual partners in last 12 months" by educational attainment among urban respondents aged 15–24 years in Zambia, results of multivariate logistic regression: 1995–2003

From: Steep HIV prevalence declines among young people in selected Zambian communities: population-based observations (1995–2003)

Factor

Education

1995

1999

2003

  

Prevalence [%(n)]

Adjusted Odds Ratio(95%CI)

Prevalence [%(n)]

Adjusted Odds Ratio(95%CI)

Prevalence [%(n)]

Adjusted Odds Ratio(95%CI)

Condom use during the last casual sex

0–7 years

25.5 (286)

1

26.2(126)

1

42.9(119)

1

 

8–10 years

27.4 (402)

0.98(0.69–1.43)

51.2 (201)

2.82(1.73–4.60)

53.8 (184)

1.54 (0.96–2.46)

 

≥11 years

42.7(218)

1.40(0.94–2.10)

68.9 (270)

5.62(3.44–9.20)

67.3 (437)

2.96(1.93–4.52)

Proportion having ≥2 sexual partners, last 12 months

0–7 years

16.2 (376)

1

11.0 (145)

1

20.8 (144)

1

 

8–9 years

16.2 (469)

0.76(0.51–1.13)

18.4 (228)

1.48(0.78–2.82)

16.7 (204)

0.63(0.35–1.12)

 

≥11 years

15.6 (270)

0.49(0.30–0.79)

17.2 (285)

1.06(0.55–2.82)

11.5 (442)

0.33(0.19–0.56)

  1. Notes: 1. All confidence interval adjusted for clustering effect using Intercooled Stata version 8 with the Standard Enumeration Area (SEA) as clusters 3. Variables included in the model were education, age, sex, marital status, employment and religion. 2. Samples sizes (were drawn from groups ever had sex).