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Sexual and testing behaviour associated with Chlamydia trachomatis infection : a cohort study in an STI clinic in Sweden

Velicko, Inga (författare)
Karolinska Inst, Dept Med Epidemiol & Biostat, Stockholm, Sweden.;Publ Hlth Agcy Sweden, Unit Monitoring & Evaluat, Stockholm, Sweden.
Ploner, Alexander (författare)
Karolinska Inst, Dept Med Epidemiol & Biostat, Stockholm, Sweden.
Sparén, Pär (författare)
Karolinska Inst, Dept Med Epidemiol & Biostat, Stockholm, Sweden.
visa fler...
Marions, Lena (författare)
Karolinska Inst, Dept Clin Sci & Educ, Stockholm, Sweden.;Stockholm South Gen Hosp, Sect Obstet & Gynaecol, Stockholm, Sweden.
Herrmann, Björn (författare)
Uppsala universitet,Klinisk mikrobiologi och infektionsmedicin
Kühlmann-Berenzon, Sharon (författare)
Publ Hlth Agcy Sweden, Unit Monitoring & Evaluat, Stockholm, Sweden.
Ploner, A (författare)
Karolinska Institutet
Herrmann, B (författare)
Sparen, P (författare)
Karolinska Institutet
Velicko, I (författare)
Karolinska Institutet
Marions, L (författare)
Karolinska Institutet
Kuhlmann-Berenzon, S (författare)
visa färre...
Karolinska Inst, Dept Med Epidemiol & Biostat, Stockholm, Sweden;Publ Hlth Agcy Sweden, Unit Monitoring & Evaluat, Stockholm, Sweden. Karolinska Inst, Dept Med Epidemiol & Biostat, Stockholm, Sweden. (creator_code:org_t)
2016
2016
Engelska.
Ingår i: ; 6:8
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • Background: Genital chlamydia infection (chlamydia) is the most commonly reported sexually transmitted infection (STI) in Sweden. To guide prevention needs, we aimed to investigate factors associated with chlamydia. Methods: A cohort of visitors aged 20-40 years at an urban STI clinic in Sweden was recruited. Behavioural data were collected using a self-administered questionnaire. Self-sampled specimens were tested for chlamydia by a DNA amplification assay. Statistically significant (p<0.05) and epidemiologically relevant covariates were entered in a multivariate Poisson model adjusted for potential confounders (age and gender). Backward stepwise elimination produced a final model. Multiple imputation was used to account for missing values. Results: Out of 2814 respondents, 1436 were men with a chlamydia positivity rate of 12.6% vs 8.9% in women. Lifetime testing for chlamydia and HIV was high (82% and 60%, respectively). Factors significantly associated with chlamydia were: 20-24 years old (adjusted risk ratio (ARR)=2.10, 95% CI 1.21 to 3.65); testing reason: contact with a chlamydia case (ARR=6.55, 95% CI 4.77 to 8.98) and having symptoms (ARR=2.19, 95% CI 1.48 to 3.24); 6-10 sexual partners (ARR=1.53, 95% CI 1.06 to 2.21); last sexual activity 'vaginal sex and oral sex and anal sex and petting' (ARR=1.84, 95% CI 1.09 to 3.10); alcohol use before sex (ARR=1.98, 95% CI 1.10 to 3.57); men with symptoms (ARR=2.09, 95% CI 1.38 to 3.18); tested for chlamydia (ARR=0.72, 95% CI 0.55 to 0.94). Conclusions: Risk factors associated with chlamydia were consistent with previous reports in similar settings and suggest no major changes over time. Increased risk for chlamydia infection associated with high-risk behaviour (eg, alcohol use, increased number of sexual partners) supports the need for behavioural interventions in this population such as promotion of safer sex behaviour (condom use) and testing.

Ämnesord

MEDICAL AND HEALTH SCIENCES  -- Health Sciences -- Public Health, Global Health, Social Medicine and Epidemiology (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP  -- Hälsovetenskaper -- Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi (hsv//swe)
MEDICIN OCH HÄLSOVETENSKAP  -- Hälsovetenskaper (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Health Sciences (hsv//eng)

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