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Salud Pública de México
Print version ISSN 0036-3634
Abstract
CONDE-GONZALEZ, Carlos J et al. Anti-Treponema pallidum seroprevalence and sociodemographic characteristics in Mexican adult population, 2000. Salud pública Méx [online]. 2007, vol.49, suppl.3, pp.s412-s420. ISSN 0036-3634.
OBJECTIVE: To measure for the first time in a population based study the prevalence of antibodies against Treponema pallidum among the Mexican adult population and correlates of infection. MATERIALS AND METHODS: This study was derived from the Mexican National Health Survey carried out in 2000. Anti-T. pallidum seroprevalence was determined according to an algorithm based on a set of treponemic and non-treponemic serological tests for 12 010 sera randomly selected from participating women and men 20 years and older. A statistical analysis was applied to identify seropositivity associated variables. RESULTS: Anti-T. pallidum seroprevalence was 3.1% (CI95% 2.5-3.7). Population characteristics significantly related to infection exposure were: older age (OR 3.3), being male (OR 1.3), inhabiting the southern region of the country (OR 1.7), having a regular partner not being married (OR 2.7) or being a widow (OR 1.8), early age at sexual debut (OR 6.3), and for women, having had still births (OR 1.8) and not using the condom as a contraceptive measure (OR 14.1). CONCLUSIONS: Results obtained show that exposure to T. pallidum infection among Mexican adults is at present a true public health problem, unknown until now. Factors associated with seropositivity were those expected considering the epidemiology of sexually transmitted infections. Health authorities must reinforce the surveillance and diagnosis of syphilis in Mexico to help prevent and control the transmission of the etiologic agent.
Keywords : syphilis; seroepidemiology; sexually transmitted infections; Mexico.