Table 3. Number of travel-associated cases of gonorrhoea, number of nights spent and risk by sex and age, Denmark, 2008−2013 (n = 365).

	Travel-associated cases		Tourism nights	Risk (cases/million nights)
Characteristic	Number	%	Number (mean 2012−2013)
Total	365	100	53,427,522	1.1
Sex
Male	315	86.3	27,881,556	1.9
Female	50	13.7	25,545,965	0.3
Age group (years)
< 15	0	NA	NA	NA
15–24	86	23.6	8,659,638	1.7
25–34	116	31.8	8,929,735	2.2
35–44	84	23.0	8,653,369	1.6
45–54	50	13.7	11,391,493	0.7
55–64	20	5.5	8,526,496	0.4
≥ 65	9	2.5	7,266,792	0.2

NA: not applicable.

While the number of travel associated cases are aggregated for the period 2008–2013, tourism nights were only available for 2012−2013 by age and sex. The denominator for the risk calculation is therefore the mean of tourism nights for the available years multiplied by six.