Median age of participants, years (IQR)
|
40 (30, 51)
|
40 (30, 51)
|
31 (30, 39)
|
43 (33, 50)
|
43 (33, 50)
|
44 (30, 52)
|
Median age women, years (IQR)
|
40 (30, 50)
|
40 (30, 50)
|
32 (30, 42)
|
42 (33, 50)
|
42 (33, 50)
|
45 (36, 51)
|
Median age men, years (IQR)
|
41 (30, 52)
|
41 (30, 52)
|
30 (27, 31)
|
44 (34, 51)
|
44 (35, 51)
|
41 (32, 48)
|
Age group
|
16–29 y/o—18–29 y/o
|
181 (24%)
|
178 (24%)
|
3 (27%)
|
125 (16%)
|
122 (16%)
|
3 (30%)
|
30–44 y/o
|
279 (36%)
|
274 (36%)
|
5 (45%)
|
299 (39%)
|
297 (39%)
|
2 (20%)
|
45–59 y/o
|
310 (40%)
|
307 (40%)
|
3 (27%)
|
339 (44%)
|
334 (44%)
|
5 (50%)
|
Gender
|
Male
|
348 (45%)
|
343 (45%)
|
5 (45%)
|
351 (46%)
|
348 (46%)
|
3 (30%)
|
Female
|
422 (55%)
|
416 (55%)
|
6 (55%)
|
412 (54%)
|
405 (54%)
|
7 (70%)
|
Nationality
|
Belgian
|
–
|
–
|
–
|
639 (84%)
|
630 (84%)
|
9 (90%)
|
Other than Belgian
|
–
|
–
|
–
|
124 (16%)
|
123 (16%)
|
1 (10%)
|
Education
|
No diploma or primary education
|
28 (4%)
|
28 (4%)
|
0 (0%)
|
30 (4%)
|
30 (4%)
|
0 (0%)
|
Lower secondary education
|
45 (6%)
|
45 (6%)
|
0 (0%)
|
73 (10%)
|
71 (9%)
|
2 (20%)
|
Higher secondary education
|
175 (23%)
|
172 (23%)
|
3 (27%)
|
225 (29%)
|
223 (30%)
|
2 (20%)
|
Higher education (academic or outside University)
|
456 (59%)
|
449 (59%)
|
7 (64%)
|
382 (50%)
|
379 (50%)
|
3 (30%)
|
No answer
|
66 (9%)
|
65 (9%)
|
1 (9%)
|
53 (7%)
|
50 (7%)
|
3 (30%)
|
Health literacy
|
Low
|
–
|
–
|
–
|
25 (3%)
|
24 (3%)
|
1 (10%)
|
Limited
|
–
|
–
|
–
|
209 (27%)
|
207 (27%)
|
2 (20%)
|
Sufficient
|
–
|
–
|
–
|
472 (62%)
|
466 (62%)
|
6 (60%)
|
No answer
|
–
|
–
|
–
|
57 (7%)
|
56 (7%)
|
1 (10%)
|
Civil status
|
Single (never married)
|
–
|
–
|
–
|
220 (29%)
|
215 (29%)
|
5 (50%)
|
Married or legal cohabitation
|
–
|
–
|
–
|
461 (60%)
|
460 (61%)
|
1 (10%)
|
Divorced (not remarried)
|
–
|
–
|
–
|
78 (10%)
|
74 (10%)
|
4 (40%)
|
Widowed (not remarried)
|
–
|
–
|
–
|
4 (1%)
|
4 (1%)
|
0 (0%)
|
Sexual intercourse in the last 12 months
|
Yes
|
635 (82%)
|
625 (82%)
|
10 (91%)
|
600 (79%)
|
593 (79%)
|
7 (70%)
|
No
|
68 (9%)
|
67 (9%)
|
1 (9%)
|
103 (13%)
|
101 (13%)
|
2 (20%)
|
No answer
|
62 (8%)
|
62 (8%)
|
0 (0%)
|
60 (8%)
|
59 (8%)
|
1 (10%)
|
Nr. of sexual partner in the last 12 months
|
One
|
532 (69%)
|
526 (69%)
|
6 (55%)
|
541 (71%)
|
535 (71%)
|
6 (60%)
|
Two
|
38 (5%)
|
38 (5%)
|
0 (0%)
|
25 (3%)
|
24 (3%)
|
1 (10%)
|
Three
|
34 (4%)
|
34 (4%)
|
0 (0%)
|
21 (3%)
|
21 (3%)
|
0 (0%)
|
Four or more
|
27 (4%)
|
24 (3%)
|
3 (27%)
|
11 (1%)
|
11 (1%)
|
0 (0%)
|
No answer
|
136 (18%)
|
134 (18%)
|
2 (18%)
|
165 (22%)
|
162 (22%)
|
3 (30%)
|
The last sexual partner was…
|
A steady partner
|
557 (72%)
|
552 (73%)
|
5 (45%)
|
–
|
–
|
–
|
A casual partner
|
74 (10%)
|
70 (9%)
|
4 (36%)
|
–
|
–
|
–
|
No answer
|
136 (18%)
|
134 (18%)
|
2 (18%)
|
–
|
–
|
–
|
Condom use during last intercourse
|
No
|
525 (68%)
|
518 (68%)
|
7 (64%)
|
510 (67%)
|
503 (67%)
|
7 (70%)
|
Yes
|
–
|
–
|
–
|
88 (12%)
|
88 (12%)
|
0 (0%)
|
Yes, the whole time
|
65 (8%)
|
64 (8%)
|
1 (9%)
|
–
|
–
|
–
|
Yes, but not the whole time
|
44 (6%)
|
43 (6%)
|
1 (9%)
|
–
|
–
|
–
|
No answer
|
136 (18%)
|
134 (18%)
|
2 (18%)
|
165 (22%)
|
162 (22%)
|
3 (30%)
|
First sexual intercourse before age 15
|
Yes
|
33 (5%)
|
33 (5%)
|
0 (0%)
|
32 (4%)
|
31 (4%)
|
1 (10%)
|
No
|
672 (95%)
|
661 (95%)
|
11 (100%)
|
631 (83%)
|
623 (83%)
|
8 (80%)
|
No answer
|
65 (8%)
|
65 (9%)
|
0 (0%)
|
100 (13%)
|
99 (13%)
|
1 (10%)
|
Median age at first sexual intercourse, years (IQR)
|
18 (16, 20)
|
18 (16, 20)
|
19 (18, 19)
|
18 (16, 20)
|
18 (16, 20)
|
17 (16, 18)
|
Ever been tested for any STI
|
Yes
|
278 (36%)
|
272 (36%)
|
6 (55%)
|
–
|
–
|
–
|
No
|
412 (54%)
|
408 (54%)
|
4 (36%)
|
–
|
–
|
–
|
No answer
|
60 (8%)
|
59 (8%)
|
1 (9%)
|
–
|
–
|
–
|
Ever been diagnosed with chlamydia
|
Yes
|
27 (4%)
|
27 (4%)
|
0 (0%)
|
–
|
–
|
–
|
No
|
686 (89%)
|
675 (89%)
|
11 (100%)
|
–
|
–
|
–
|
No answer
|
57 (7%)
|
57 (8%)
|
0 (0%)
|
–
|
–
|
–
|
Sexual orientation for men
|
Men who are attracted to men only/mostly/as much as to women
|
29 (8%)
|
29 (8%)
|
0 (0%)
|
–
|
–
|
–
|
Testing for HIV in the past 12 months
|
Yes
|
–
|
–
|
–
|
53 (7%)
|
52 (7%)
|
1 (10%)
|
No
|
–
|
–
|
–
|
655 (86%)
|
647 (86%)
|
8 (80%)
|
No answer
|
–
|
–
|
–
|
55 (7%)
|
54 (7%)
|
1 (10%)
|
Ever been tested for HIV
|
Yes
|
–
|
–
|
–
|
303 (40%)
|
300 (40%)
|
3 (30%)
|
No
|
–
|
–
|
–
|
405 (53%)
|
399 (53%)
|
6 (60%)
|
No answer
|
–
|
–
|
–
|
55 (7%)
|
54 (7%)
|
1 (10%)
|
Testing for other STI than HIV in the past 12 months
|
Yes
|
–
|
–
|
–
|
60 (8%)
|
59 (8%)
|
1 (10%)
|
No
|
–
|
–
|
–
|
608 (80%)
|
600 (80%)
|
8 (80%)
|
No answer
|
–
|
–
|
–
|
95 (12%)
|
94 (12%)
|
1 (10%)
|
Ever been tested for other STI than HIV
|
Yes
|
–
|
–
|
–
|
321 (42%)
|
318 (42%)
|
3 (30%)
|
No
|
–
|
–
|
–
|
347 (45%)
|
341 (45%)
|
6 (60%)
|
No answer
|
–
|
–
|
–
|
95 (12%)
|
94 (12%)
|
1 (10%)
|