Table 3.

Multivariate analysis of factors associated to presence of SARS-CoV-2 antibodies among unvaccinated participants by study site and combined

	Allada		Natitingou		Both sites combined
	Adjusted OR (95CI)	Adjusted p-value	Adjusted OR (95CI)	Adjusted p-value	Adjusted OR (95CI)	Adjusted p-value
Age (years)  < 25  ≥ 25	Ref 1.53 (0.97–2.44)	0.068	Ref 0.95 (0. 58-0.56)	0.852	Ref 1.24 (0.89–1.73)	0.200
Education  None  Primary  Secondary or higher	Ref 1.18 (0.68–2.05) 1.18 (0.66–2.08)	0.780	Ref 1.33 (0.57–3.23) 1.10 (0.66–1.94)	0.770	Ref 1.21 (0.77–1.91)	0.705
Employment  Employed  Unemployed	Ref 3.19 (0.71–14.37)	0.130	Ref 1.06 (0.41–2.54)	0.901	Ref 1.53 (0.73–3.17)	0.258
At least one previous morbidity†  No  Yes	Ref 2.89 (1.19-7.00)	0.019	Ref 1.28 (0.56–2.94)	0.553	Ref 1.95 (1.07–3.54)	0.028

OR: Odds ratio; Ref: reference; 95CI: 95% Confidence Interval

^†At least one of obesity, diabetes, VIH/other immunodeficiency, hypertension, asthma or other pulmonary pathology, or malnutrition