Abstract
BackgroundPsychiatric patients are at increased risk of exposure to Toxoplasma gondii infection, which may be linked to their living facilities and behaviors. Limited knowledge on the prevalence of T. gondii infection and its associated risk factors in psychiatric patients are available to the international medical communities. Thus, the aim of the current study was to assess seroprevalence of T. gondii and its associated risk factors in psychiatric inpatients in Fars Province, southern Iran.MethodsThis cross-sectional study was carried out on psychiatric patients hospitalized in Ibn Sina Hospital affiliated to Shiraz University of Medical Sciences, Fars Province, southern Iran, March to July 2021. Blood samples were collected from 318 psychiatric patients and assessed for the detection of IgG against T. gondii using enzyme-linked immunosorbent assay (ELISA). Moreover, structured questionnaires were completed for the participants at the time of sampling. Logistic regression analysis was used to assess possible associations between the latent toxoplasmosis and the variables.ResultsThe overall seroprevalence of anti-T. gondii IgG in psychiatric inpatients was 22.3% (71/318; 95% CI = 17.9–27.3). Multivariate analyses revealed that age > 30 years [adjusted odds ratio (AOR) = 2.24, 95% CI = 1.10–4.60, p = 0.03], contact with cats (AOR = 2.52, 95% CI = 1.14–5.58, p = 0.03), raw vegetable consumption (AOR = 3.65, 95% CI = 1.74–7.65, p = 0.001), raw/undercooked meat consumption (AOR = 4.30, 95% CI = 1.47–12.63, p = 0.008), suicide attempt (AOR = 3.77, 95% CI = 1.58–8.97, p = 0.003) and cigarette smoking history (AOR = 0.38, 95% CI = 0.17–0.83, p = 0.02) were independent risk factors for T. gondii infection.ConclusionThe current results demonstrated that contact with cats, raw vegetable consumption and raw/undercooked meat consumption were independent risk factors for T. gondii seropositivity. Moreover, the current study showed significant associations between seropositivity of T. gondii and suicide attempts as well as negative associations between seropositivity of T. gondii and cigarette smoking in psychiatric inpatients using multivariate logistic regression.
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