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

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)

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).

Michelo et al. BMC Public Health 2006 6:279   doi:10.1186/1471-2458-6-279