PMC:7190485 / 12534-12698 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T83","span":{"begin":2,"end":15},"obj":"Sentence"},{"id":"T84","span":{"begin":16,"end":85},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":";\n⁎⁎⁎⁎ p ≤ .001\nStandard errors are shown in parentheses below coefficient estimates.\nWe also examined the main effects of the demographic and economic variables on"}