Table 4.

Univariate and multivariate logistic regression model for development of long COVID at the 6-month follow-up.

	Univariable analysis		Multivariable analysis
Characteristics	OR (95%CI)	P values	aORs(95%CI)	P values
Sex
Female	Reference		Reference
Male	0.79 (0.72–0.87)	<0.001	0.77 (0.70–0.85)	<0.001
Age
<40	Reference		Reference
40–59	0.94 (0.85–1.04)	0.211	0.91 (0.82–1.01)	0.058
≥60	0.74 (0.63–0.87)	<0.001	0.63 (0.53–0.75)	<0.001
Vaccination
Unvaccinated	Reference		–
One dose	1.12 (0.87–1.43)	0.394	–	–
Two or more doses	1.06 (0.90–1.24)	0.512	–	–
Number of comorbidities
0	Reference		Reference
1	1.02 (0.90–1.16)	0.765	1.13 (0.98–1.29)	0.086
≥2	1.15 (0.94–1.41)	0.175	1.33 (1.06–1.66)	0.013
Severity
Non-severe	Reference		Reference
Severe-critica	1.79 (1.11–2.88)	0.017	1,95 (1.18–3.21)	0.009