Inequities in consistent condom use among sexually experienced undergraduates in mainland China: implications for planning interventions

Table 2 Logistic regression analysis of factors associated with consistent condom use

	Model 1 ^a		Model 2^b		Model 3^c
	AOR	95% CI	AOR	95% CI	AOR	95% CI
Block 1: Need factors
Age at first sex
0 = Early, 1 = Late	1.28^*	1.05–1.55	1.36^**	1.11–1.66	1.34^**	1.09–1.64
Partners numbers
0 = Multiple, 1 = Single	1.87^******	1.36–2.57	1.73^***	1.25–2.40	1.68^**	1.21–2.33
Risk perception (ref = No risk)
Not Sure	0.66^**	0.50–0.87
Low risk	0.68^***	0.55–0.84
Moderate/high risk	0.55^*	0.34–0.89
Block 2:Enabling factors
Self-efficacy of condom use
0 = Low, 1 = High			2.82^***	2.32–3.43	2.86^***	2.35–3.49
Awareness of the national AIDS policy
0 = Unaware, 1 = Aware			1.52^***	1.25–1.85	1.50^***	1.23–1.82
Block 3: Predisposing factors
Sexual orientation (ref = Heterosexual men)
Heterosexual women					0.78^*	0.64–0.96
Non-heterosexual men					0.64^*	0.45–0.92
Non-heterosexual Women					0.68^*	0.47–0.99
-2 Log likelihood	2693.75		2558.69		2547.70
Change of −2 log likelihood, d.f.	48.25, 5		130.10, 2		15.20, 3
P value	< 0.001		< 0.001		< 0.001

d.f., degree of freedom; AOR, adjusted odds ratio; CI, confidence interval
^aModel 1: Age at first sex, Partner number, Partner type and Risk perception;
^bModel 2: Age at first sex, Partner number, Partner type, Risk perception, Monthly living expenditure, Self- efficacy of condom use, Knowledge of local volunteer organization, and Awareness of the national AIDS policy;
^cModel 3: Age at first sex, Partner number, Partner type, Risk perception, Monthly living expenditure, Self- efficacy of condom use, Knowledge of local volunteer organization, Awareness of the national AIDS policy, Grade, Parents’ marital status, Major, Sexual orientation and Beliefs about condom use

ISSN: 1471-2458