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oai:figshare.com:article/34034269 2026-09-30T17:22:22Z category_21 category_272 category_39 category_45 category_64 category_106 portal_5 item_type_6 month_year_09_2026

<p>IgM and national happiness.</p> Javier I. Borráz-León (8696472) Markus J. Rantala (319607) Indrikis Krams (196403) Dario Maestripieri (353832) Biotechnology Environmental Sciences not elsewhere classified Ecology Sociology Cancer Science Policy strongest independent predictors publicly available sources igg ), would gdp per capita g ., gdp div >< p exploratory analyses suggest ecological correlational study toxoplasma gondii </ cats per 10 across 93 countries broader population exposure determining national well igm seroprevalence remained higher socioeconomic indicators gondii </ subjective well multivariate analyses ecological factors national level underlying mechanisms socioeconomic variables socioeconomic factors pregnant women national happiness interdisciplinary approaches income level income classification include longitudinal igm seroprevalence future studies cat density 000 inhabitants <p>Correlation between IgM seroprevalence and national happiness stratified by income level. <i>Note:</i> IgM = Immunoglobulin M; Income groups: green = low, gray = lower-middle, purple = upper-middle, yellow = high.</p> <p>(DOCX)</p> 2026-09-30T17:22:19Z Text Journal contribution 10.1371/journal.pone.0357911.s002 https://figshare.com/articles/journal_contribution/_p_IgM_and_national_happiness_p_/34034269 CC BY 4.0