Table 4.

Non-use of condoms at last sex in singles by relational and factors relating to the circumstances of last sex.

	Non-use of condoms at last sex
	% (95% CI)	Crude odds ratios (95% CI)	Adjusted odds ratios (95% CI)*	p-value	Denominator ǂ
Context of the sexual encounter
One-night stand/non-recurring sex	28.7 (20.6–38.5)	1.00	1.00	<0.01	108, 94
Longer relationship	42.7 (33.6–52.4)	2.40 (1.23–4.66)	2.43 (1.11–5.27)		113, 94
Beginning of a love relationship	50.8 (36.2–65.3)	3.74 (1.48–9.46)	3.59 (1.49–8.66)		64, 66
Initial meeting venue
Offline	41.4 (34.2–49.0)	1.00	1.00	0.742	249, 222
Online	41.6 (28.4–56.2)	1.18 (0.56–2.49)	0.89 (0.43–1.83)		69, 61
Alcohol and/or drug use at last sex
No	46.2 (37.5–55.1)	1.00	1.00	0.719	174, 159
Yes, alcohol	33.8 (25.2–43.6)	0.83 (0.40–1.73)	0.98 (0.45–2.15)		137, 121
Yes, drugs/drugs + alcohol	45.7 (30.1–62.2)	0.93 (0.30–2.26)	1.43 (0.58–3.51)		31, 28
Talked about condom use before last sex
No	67.5 (56.3–77.00)	6.59 (3.21–13.50)	6.50 (3.24–13.04)	<0.001	116, 106
Yes	27.7 (21.9–34.5)	1.00	1.00		223, 200

ǂUnweighted, weighted; CI: confidence interval.

*Adjusted odds ratios are based on logistic regression adjusted for gender and age; reference category: Condoms used.