PMC:7795804 / 7295-7572 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T50","span":{"begin":0,"end":277},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"We looked for associations (crude odds ratio—OR—and its 95% confidence interval—95% CI) between the sociodemographic and occupational characteristics, changes in lifestyle, and the presence of psychological distress as independent variables and the quality of sleep categories."}