Table 2. Univariate logistic regression analyses with the dependent variable ‘signs of pneumonia’.

Independent variable		Odds ratio (95% interval)	p-value
Potentially protective lifestyle factors
	Frequent exercise	0.78 (0.36–1.67)	0.51
	Healthy food choices	1.11 (0.50–2.44)	0.80
	Sufficient sleep	0.56 (0.22–1.43)	0.23
	Frequent contact with children	1.39 (0.68–2.86)	0.37
Potentially detrimental lifestyle factors
	Overweight/obesity	2.68 (1.29–5.59)	0.008*
	Unfavorable fat distribution	0.94 (0.46–1.94)	0.87
	Smoking	0.29 (0.06–1.28)	0.10
	Regular consumption of alcohol	0.93 (0.44–2.00)	0.86
Demographic characteristics
	Age ≥ 60 years	1.53 (0.70–3.34)	0.28#
	Male sex	1.34 (0.64–2.83)	0.44#
Comorbidities
	Preexisting, chronic pulmonary disease	2.45 (0.92–6.54)	0.07#
	Preexisting, chronic cardiovascular disease	1.09 (0.33–3.58)	0.89
	Presence of at least one cardiovascular risk factor	0.83 (0.39–1.73)	0.61
	Previous cancer	1.08 (0.28–4.22)	0.91
	Preexisting allergy	0.81 (0.38–1.73)	0.59
	Concomitant psychiatric disease	5.99 (1.98–18.18)	0.002#
Medication use
	ACE inhibitors	2.02 (0.46–8.85)	0.35
	RAAS inhibitors	1.62 (0.61–4.31)	0.33
	Statins	0.34 (0.04–2.79)	0.32
Exposure to other viruses
	Frequent respiratory tract viral infections in the three years prior to COVID-19	1.11 (0.52–2.38)	0.80
	Respiratory tract infection in the 4 weeks prior to COVID-19	1.09 (0.40–2.98)	0.87

* significant with a false discovery rate of 10%.

^# included in multivariate adjustment (Table 3).