STI and HIV testing: examining factors that influence uptake among domestic Australian-born, domestic overseas-born and international tertiary students studying in Australia

Table 4 Mediation effects of STI knowledge on international and domestic overseas-born students STI testing in last 12 months compared to domestic Australian-born students with confounding variables

Effect	Domestic Australian-born students (n=2172) compared to:
	International students (n=420)		Domestic overseas-born students (n=359)
	OR (95% CI)	P-value	OR (95% CI)	P-value
Natural direct effect	0.89 (0.70, 1.14)^a	0.373	0.88 (0.65, 1.10)	0.210
Natural indirect effect	0.87 (0.83, 0.92)	<0.001	0.96 (0.92, 1.00)	0.035
Total effect	0.78 (0.61, 1.00)	0.048	0.81 (0.62, 1.06)	0.120
Proportion mediated	55.0%		20.1%

Confounding variables: regular partner SRBS, casual partner SRBS, age 20-24, female, gay, bisexual, living with friends
OR Odds Ratio, CI Confidence Interval
^aOR=0.89 shows that odds of STI testing in the last 12 months was 11% lower among international students compared to domestic Australian-born students (natural direct effect)

ISSN: 1471-2458