Table 6. Adjusted predictors of travel-associated gonorrhoea cases, Denmark, Finland, Norway and Sweden, 2008−2013 (n = 12,643).

Risk factor	OR	95% CI	p value	Cases exposed (%)
Sex
Female	1 (Ref)	NA	NA	23.8
Male	2.96	2.62–3.34	< 0.01	76.2
Age group (years)
< 25	1 (Ref)	NA	NA	35.3
25–34	1.40	1.24–1.57	< 0.01	32.8
35–44	2.38	2.09–2.71	< 0.01	18.1
45–54	3.51	3.01–4.10	< 0.01	9.3
55–64	4.36	3.47–5.49	< 0.01	3.4
≥ 65	6.04	4.12–8.84	< 0.01	1.1
Transmission
MSM	1 (Ref)	NA	NA	32.8
Heterosexual	4.08	3.66–4.56	< 0.01	56.5
Other	2.15	1.03–4.47	0.04	0.4
Unknown	1.85	1.50–2.28	< 0.01	10.3
Country of residence
Sweden	1 (Ref)	NA	NA	42.3
Denmark	0.22	0.18–0.26	< 0.01	27.2
Finland	1.37	1.15–1.62	< 0.01	12.3
Norway	1.48	1.26–1.73	< 0.01	18.2
Origin
Native	1 (Ref)	NA	NA	38.1
Foreign-born	8.34	6.46–10.76	< 0.01	3.0
Unknown	1.28	1.10–1.49	< 0.01	58.9
Year
2008	1 (Ref)	NA	NA	12.9
2009	1.04	0.88–1.23	0.65	13.3
2010	1.09	0.93–1.29	0.27	15.8
2011	0.98	0.83–1.15	0.81	16.7
2012	0.81	0.69–0.95	0.01	20.0
2013	0.83	0.71–0.98	0.03	21.4

CI: confidence interval; MSM: men who have sex with men; NA: not applicable; OR: odds ratio; Ref: reference value.