Table 1 Seroprevalence of antibodies anti-SARS-CoV-2 by sociodemographic characteristics. Mexico 2020.

From: Nationally representative SARS-CoV-2 antibody prevalence estimates after the first epidemic wave in Mexico

 

Seroprevalence % (95%CI)

National

24.9 (22.2, 26.7)

Age (years)

   1–19

22.5 (19.0, 25.3)

   20–39

27.9 (24.9, 30.3)

   40–59

27.8 (24.6, 30.2)

   60 and older

18.6 (15.4, 20.8)

Sex

   Male

25.3 (22.3, 27.4)

   Female

24.5 (21.7, 26.5)

Education

   Elementary school or less

22.2 (19.1, 24.3)

   Middle school

28.3 (24.6, 31.3)

   High school

27.5 (23.9, 30.3)

   Graduate

22.4 (18.9, 25.1)

Employment statusa

   Unemployed

24.0 (20.9, 26.3)

    Student

22.3 (16.5, 26.9)

    Retired

16.7 (11.7, 20.7)

   Formal workerb

30.1 (26.1, 33.3)

   Informal worker

28.0 (24.7, 30.6)

Socioeconomic level

    Low

27.8 (24.2, 31.3)

    Medium

24.6 (21.8, 27.4)

    High

22.3 (19.5, 25.1)

Urbanization

    Rural

21.1 (16.8, 25.4)

    Urban

27.1 (23.4, 30.9)

    Metropolitan

25.2 (22.7, 27.8)

  1. CI confidence interval.
  2. a 15 years of age and more.
  3. b Worker with access to social security services or private medical insurance.
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