Association Between Exposure and Suicidal Behavior in Patients Attending Primary Health Care Clinics
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This study aimed to determine the association between suicidal behavior and seroreactivity in 2045 patients attending primary care clinics. IgG antibodies against were found in 37 (12.1%) out of 306 individuals with a history of suicidal ideation and in 134 (7.7%) of 1739 individuals without this history (OR: 1.64; 95% CI: 1.11-2.42; = 0.01). Seropositivity to was associated with suicidal ideation in women (OR: 1.56; 95% CI: 1.01-2.42; = 0.03) and individuals aged ≤30 years (OR: 3.25; 95% CI: 1.53-6.88; = 0.001). No association between the rates of high (>150 IU/mL) levels of anti- IgG antibodies and suicidal ideation or suicide attempts was found. IgG antibodies against were found in 22 of 185 (11.9%) individuals with a history of suicide attempts and in 149 (8.0%) of 1860 individuals without this history (OR: 1.54; 95% CI: 0.96-2.49; = 0.06). The seroprevalence of infection was associated with suicide attempts in individuals aged 31-50 years (OR: 2.01; 95% CI: 1.09-3.71; = 0.02), and with more than three suicide attempts (OR: 4.02; 95% CI: 1.34-12.03; = 0.008). Our results indicate that exposure is associated with suicidal behavior among patients attending primary care clinics.
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