Trends and determinants factors of Chlamydia trachomatis genital infection in young people under 25 years. Catalonia 2007-2014

Evelin López-Corbeto, Victoria González, Elisabeth Bascunyana, Victoria Humet, Jordi Casabona

Research output: Contribution to journalArticleResearchpeer-review

9 Citations (Scopus)


© 2015 Elsevier España, S.L.U. and Sociedad Española de Enfermedades Infecciosas y Microbiología Clínica Introduction: Chlamydia trachomatis (chlamydia) infection is the most common bacterial sexually transmitted diseases (STD). However, the prevalence among young people is unknown in our country. In 2007, the monitoring of the prevalence and behaviours related to acquiring it began in Catalonia in young people ≤ 25 years. Objectives: To determine and monitor the prevalence and determining factors of chlamydia among a young sexually active population ≤ 25 years, treated in sexual and reproductive health care centras (CT/NG-ASSIR) and in prisons (CT/NG-Prisons). Materials and methods: An analysis was performed on 6 cross-sectional data studies in two sentinel populations of young people from the period 2007-2014. Behavioural indicators were recorded and urine specimens were collected for analysis by PCR. The prevalence and trends are described, and the variables associated with infection were evaluated using multivariate logistic regression analysis. Results: The mean prevalence for CT/NG-ASSIR was 7.4%, with an upward trend (P =.174), and an increase of 46.5%. CT/NG-Prisons had a mean 8.0%, with an upward trend (P =. 282), and an increase of 31.6%. Age and foreign origin are presented as risk factors in both populations. The concurrent sexual partners added to CT/NG-ASSIR and the time spent in prison to CT/NG-Prisons. Discussion: The results underscore the need for a more efficient approach to control activities related to chlamydia infection in Catalonia. Policies need to be strengthened to promote safer sexual behaviours and active case finding by opportunistic screening in less than 25 year-old.
Original languageEnglish
Pages (from-to)499-504
JournalEnfermedades Infecciosas y Microbiologia Clinica
Issue number8
Publication statusPublished - 1 Oct 2016


  • Chlamydia trachomatis
  • Prevalence
  • Risk factors
  • Trend
  • Youth


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