Associations between sexual behaviour change in young people and decline in HIV prevalence in Zambia

BMC Public Health

Table 6 Age-adjusted odds ratio (AOR) of risk of HIV by survey time comparing 2003 and 1995, adjusting for sexual behaviour variables, for rural women aged 15–24

One by one behaviour indicator included
Beh. Indicator	Chi-square change	AOR	95% CI
Ever given birth	0.15	0.28	0.11–0.72
Number of sex partners past 12 months	-1.7	0.31	0.13–0.75
Casual partner past year	-0.62	0.30	0.12–0.72
Condom use at last sexual intercourse	-3.45	0.28	0.09–0.81
Ever used condom**	-4.81	0.32	0.13–0.75
Frequent dry sex	-1.9	0.26	0.11–0.63

Notes: Before adding the behaviour variables the Chi square was 9.53 and AOR 0.27 (0.11–0.68) in 2003 compared to 1995. If the chi square changed > |3.84|, the added variable was a confounding variable. The denominator was the number of sexually active respondents during the year prior to the survey. **The chief confounder in this step.

ISSN: 1471-2458