Respective roles of social deprivation, health literacy, and clinical factors for COVID-19: a case-control study in hospitalized patients

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Dahmane, Lotfi | Julia, Chantal | Vignier, Nicolas | Sesé, Lucile | Brichler, Ségolène | Benaïnous, Ruben | Bihan, Hélène | Lopez-Sublet, Marilucy | Trawalé, Damien | Bouchaud, Olivier | Goupil de Bouillé, Jeanne

Edité par CCSD ; Frontiers Media S.A. -

International audience. IntroductionTo investigate the association between social deprivation and COVID-19 among hospitalized patients in an underprivileged department of the greater Paris area.MethodsIndividuals hospitalized for COVID-19 between March 1st and October 31, 2020, were included, matched on age and sex, and compared with patients hospitalized for any other reason with negative RT-PCR for SARS-CoV-2, through a case-control study. Clinical, socio-demographic characteristics, health literacy, and social deprivation, assessed by the EPICES score, were collected. Factors associated with COVID-19 in hospitalized patients were assessed using univariate and multivariate logistic regression models.Results69 cases and 180 controls were included. Participants were mostly men (N = 148: 59.4%) aged 65 or older (N = 109: 44.1%). Median EPICES score was 43.2 (IQR 29.4–62.9). EPICES score > 30.17 (precariousness threshold) was not significantly associated with COVID-19 in hospitalized patients (adjusted odds ratio (aOR) = 0.46; 95% Confidence Interval (CI) [0.21–1.01]). Advanced age, higher BMI, professional activity, home area of less than 25 m2 per person, and low health literacy, were significantly associated with COVID-19 in hospitalized patients.DiscussionThis study highlights probable risk factors for specific exposition in disadvantaged area: maintenance of professional activity, smaller home area, and low health literacy.

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