Table 3. Univariable and multiple logistic regression analyses of factors associated with nasal S. aureus carriage among study participants of the general population of Braunschweig, Germany.

Variables	Categories	Univariable logistic regression OR (95% CI)	p-value	Multiple logistic regression OR (95% CI)	p-value
Sex	Female	1		1
	Male	2.66 (1.63–4.34)	<0.001	3.50 (2.01–6.11)	<0.001
Age	61–70 years	1		1
	20–30 years	2.14 (1.00–4.56)	0.049	2.52 (1.08–5.88)	0.085
	31–40 years	0.77 (0.31–1.91)	0.578	0.63 (0.23–1.71)
	41–50 years	1.28 (0.64–2.53)	0.487	1.24 (0.59–2.64)
	51–60 years	0.98 (0.47–2.03)	0.960	1.03 (0.46–2.29)
Allergies	No	1		1
	Yes	1.85 (1.10–3.09)	0.002	2.43 (1.39–4.24)	0.002
Diabetes mellitus	No	1
	Yes	1.21 (0.38–3.84)	0.751
Skin infection in the last 12 months	No	1
	Yes	1.35 (0.79–2.29)	0.262
Outpatient clinic visits in the last 12 months	No	1
	Yes	0.94 (0.56–1.60)	0.833
Hospital stay in the last 12 months	No	1
	Yes	0.52 (0.21–1.28)	0.157
Surgery in the last 12 months	No	1
	Yes	1.04 (0.51–2.13)	0.922
Prescribed antibiotics in the last 12 months	No	1
	Yes	0.85 (0.51–1.39)	0.506
Pet animal contact	No	1	0.423
	Yes	0.82 (0.51–1.33)
Occupational animal contact	No	1
	Yes	1.44 (0.27–7.55)	0.667
International travel in the last 12 months	No	1
	Yes	1.43 (0.87–2.36)	0.159

Abbreviations: OR; odds ratio, CI; confidence interval.