Table 1 Prevalence of genital chlamydia infection and socio-demographic factors and health care utilisation, sexual behaviour and self-reported STIs among men and women aged 18–25 years in Rogaland, Norway. N = 1535
Men (n = 605) | Women (n = 930) | ||||||
|---|---|---|---|---|---|---|---|
n/N | % | 95% CI | n/N | % | 95% CI | ||
Age | 18-21 | 16/254 | 6.3 | 3.9-10.0 | 30/453 | 6.6 | 4.7-9.3 |
22-25 | 15/351 | 4.3 | 2.6-6.9 | 24/477 | 5.1 | 3.4-7.4 | |
Marital status | Single | 30/550 | 5.5 | 3.8-7.7 | 54/817 | 6.6 | 5.1-8.5 |
Married | 1/55 | 1.8 | 0.3-9.6 | 0/113 | 0 | 0-3.2 | |
Education, years | ≤14 | 29/490 | 5.9 | 4.2-8.4 | 45/675 | 6.7 | 5.0-8.8 |
15+ | 2/115 | 1.7 | 0.5-6.1 | 9/255 | 3.5 | 1.9-6.6 | |
Occupation | Employed | 18/339 | 5.3 | 3.4-8.2 | 23/336 | 6.8 | 4.6-10.1 |
Unemployed | 4/27 | 14.8 | 5.9-32.5 | 4/37 | 10.8 | 4.3-24.7 | |
Student/pupil | 8/197 | 4.1 | 2.7-7.8 | 20/479 | 4.2 | 2.7-6.4 | |
Other/Unknown | 1/42 | 2.4 | 0.4-12.3 | 7/78 | 9.0 | 4.4-17.4 | |
Country of birth | Norway | 28/575 | 4.9 | 3.4-7.0 | 52/876 | 5.9 | 4.6-7.7 |
Europe/North America | 0/13 | 0 | 0-22.8 | 0/29 | 0 | 0.11.7 | |
Other countries | 3/17 | 17.6 | 0.4-12.3 | 2/29 | 8.8 | 3.0-23.0 | |
Presence of a youth clinic in municipality | Yes | 20/307 | 6.5 | 4.3-9.9 | 38/589 | 6.5 | 4.7-8.7 |
No | 5/15 | 33.3 | 15.2-58.3 | 1/50 | 2.0 | 0.4-10.5 | |
Do not know | 6/283 | 2.1 | 1.0-4.6 | 15/291 | 5.2 | 3.2-8.3 | |
Using youth clinic services | Yes | 2/66 | 3.0 | 0.8-10.4 | 23/312 | 7.4 | 5.0-10.8 |
No | 29/539 | 5.4 | 3.8-7.6 | 31/618 | 5.0 | 3.6-7.0 | |
Consulted a family doctor on STI | Yes | 14/191 | 7.3 | 4.4-11.9 | 33/514 | 6.4 | 4.6-8.9 |
No | 17/414 | 4.1 | 2.6-6.5 | 21/416 | 5.0 | 3.3-7,6 | |
Number of partners during last year | 0 | 1/24 | 4.2 | 0.7-20.2 | 0/14 | 0 | 0-21.5 |
1 | 2/303 | 0.7 | 0.2-2.4 | 15/563 | 2.7 | 1.6-4.4 | |
2-3 | 11/154 | 7.1 | 4.0-12.3 | 19/222 | 8.6 | 5.6-13.0 | |
4-5 | 9/66 | 13.6 | 7.3-23.9 | 12/83 | 14.5 | 8.5-23.6 | |
5+ | 8/58 | 13.8 | 7.2-24.9 | 8/48 | 16.7 | 8.7-29.6 | |
Total number of partners | 1 | 0/114 | 0 | 0-3.3 | 0/184 | 0 | 0-2.1 |
2-3 | 3/130 | 2.3 | 0.8-6.6 | 5/212 | 2.4 | 1.0-5.4 | |
4-5 | 1/103 | 1.0 | 0.2-5.3 | 5/157 | 3.2 | 1.4-7.2 | |
6-10 | 11/124 | 8.9 | 5.0-15.2 | 23/215 | 10.7 | 7.2-15.5 | |
10+ | 16/134 | 11.9 | 7.5-18.5 | 21/162 | 13.0 | 8.6-19.0 | |
Previoulsy tested for chlamydia | Yes | 11/161 | 6.8 | 3.9-11.8 | 35/510 | 6.9 | 5.0-9.4 |
No | 20/444 | 4.5 | 2.9-6.9 | 19/420 | 4.5 | 2.9-7.0 | |
Previously diagnosed with chlamydia | Yes | 4/57 | 7.0 | 2.8-16.7 | 19/152 | 12.5 | 8.2-18.7 |
No | 27/548 | 4.9 | 3.4-7.1 | 35/778 | 4.5 | 3.5-6.2 | |
Previoulsy diagnosed with genital warts | Yes | 3/40 | 7.5 | 2.6-19.9 | 1/64 | 1.6 | 0.3-8.3 |
No | 28/565 | 5.0 | 3.5-7.1 | 53/866 | 6.1 | 4.7-7.9 | |
Previously diagnosed with genital herpes | Yes | 2/2 | 100 | 0.34-100 | 0/16 | 0 | 0-19.4 |
No | 29/603 | 4.8 | 3.4-6.8 | 54/914 | 5.9 | 4.6-7.6 | |
Presence of symptoms | Yes | 10/83 | 12.0 | 6.7-20.8 | 20/329 | 6.1 | 4.0-9.2 |
No | 21/522 | 4.0 | 2.7-6.1 | 34/601 | 5.7 | 4.1-7.8 | |
Sex with a person of the same sex | Yes | 0/28 | 0 | 0-12.1 | 5/65 | 7.7 | 3.3-16.8 |
No | 31/577 | 5.4 | 3.8-7.5 | 49/865 | 5.7 | 4.3-7.4 | |
Method with casual partner | No contraception | 12/136 | 8.8 | 5.1-14.8 | 10/99 | 10.1 | 5.6-17.6 |
Condom | 7/135 | 5.2 | 2.5-10.3 | 9/134 | 6.7 | 3.6-12.2 | |
Hormonal | 8/135 | 5.9 | 3.0-11.3 | 29/345 | 8.4 | 5.9-11.8 | |
Other | 4/199 | 2.0 | 0.8-5.0 | 6/352 | 1.7 | 0.8-3.7 | |
Method with long-term partner | No contraception | 8/114 | 7.0 | 3.6-13.2 | 11/129 | 8.5 | 4.8-14.6 |
Condom | 4/86 | 4.7 | 1.8-11.4 | 1/83 | 1.2 | 0.2-6.5 | |
Hormonal | 15/331 | 4.5 | 2.8-7.3 | 34/588 | 5.8 | 4.2-8.0 | |
Other | 4/74 | 5.4 | 2.1-13.1 | 8/130 | 6.2 | 3.2-11.7 | |
Constant partner | Yes | 8/297 | 2.7 | 1.4-5.2 | 22/520 | 4.2 | 2.8-6.3 |
No | 23/308 | 7.5 | 5.0-11.0 | 32/410 | 7.8 | 5.6-10.8 | |