Table 4. Potential contributing factors for health issues after moderate-severe COVID-19 on binary logistic regression analysis

Characteristic	OR	95% CI	P-value
Sex			0.25
Male	Ref.	Ref.
Female	1.71	0.68, 4.29
Age	0.97	0.93, 1.00	0.064
Age group			0.45
30–39 years	Ref.	Ref.
40–49 years	0.70	0.03, 6.36
50–59 years	0.57	0.03, 4.57
60–69 years	0.74	0.04, 5.70
≥70 years	0.25	0.01, 1.99
Number of comorbidities			0.73
0	Ref.	Ref.
1	1.50	0.44, 5.09
≥2	1.55	0.48, 4.79
BMI			0.17
<25 kg/m2	Ref.	Ref.
≥25 kg/m2	0.37	0.11, 1.05
Incubation period	1.01	0.90, 1.13	0.91
Length of hospital stay	1.01	0.97, 1.05	0.78
Vaccination			0.10
1 dose, <2 weeks before infection	Ref.	Ref.
1 dose, >2 weeks before infection	0.18	0.02, 1.41
Not vaccinated			0.10
Highest respiratory support technique during hospitalisation			0.012
HFNC or NIV or IMV	Ref.	Ref.
Oxygen via nasal cannula or face mask	0.13	0.01, 0.68