Table 4.

Lack of concentration and focus at 12-month follow-up.

	OR	Multivariable 95% CI	p-value
A. Risk factors at onset
Gender
Female	1.58	0.97, 2.59	0.066
Mental health domain-related symptomsa	2.09	1.25, 3.49	0.005
Neurological domain-related symptomsb	0.94	0.55, 1.59	0.810
Anosmia/dysgeusia	1.10	0.66, 1.83	0.716
Rheumatological symptoms	1.10	0.57, 2.13	0.773
Respiratory domain-related symptomsc	1.48	0.86, 2.54	0.154
Gastrointestinal symptoms	2.64	1.61, 4.31	<0.001
B. Risk factors at 12 months
Gender
Female	1.46	0.89, 2.39	0.133
Neurological domain-related symptomsb	1.92	0.87, 4.21	0.104
Anosmia/dysgeusia	2.61	1.35, 5.04	0.004
Rheumatological symptoms	3.06	1.64, 5.69	<0.001
Respiratory domain-related symptomsc	3.24	1.79, 5.87	<0.001
Gastrointestinal symptoms	1.40	0.43, 4.56	0.571

^aSymptoms of psychiatric disorders (depression, anxiety, insomnia), lack of concentration and focus, and fatigue.

^bHeadache and neurological symptoms.

^cDyspnoea, upper respiratory tract infection (URTI) symptoms, cough, and chest pain.