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. 2018 Jul 25;13(7):e0200267. doi: 10.1371/journal.pone.0200267

Table 2. Results of univariable (crude PR) and multivariable model (adjusted PR) with CMV seropositivity as the dependent variable; data set stratified by gender; Germany (sera collected 1998–1999, n = 6552).

Variables Men Women
Crude PR (95%CI) Fully adjusted PR (95%CI)* Crude PR (95%CI) Fully adjusted PR (95%CI)*
Age in years Country of Birth 1.01 (1.01–1.02) 1.02 (1.01–1.02) 1.01 (1.01–1.01) 1.02 (1.01–1.02)
Germany 1 (Ref) 1 (Ref) 1 (Ref) 1 (Ref)
Other 1.85 (1.70–2.02) 1.76 (1.62–1.92) 1.50 (1.41–1.60) 1.52 (1.41–1.63)
Smoking status Non-smoking 1 (Ref) 1 (Ref) 1 (Ref) 1 (Ref)
Previous smoking 1.27 (1.15–1.42) 1.10 (1.00–1.21) 0.92 (0.84–1.01) 1.02 (0.94–1.11)
Smoking 1.11 (1.00–1.23) 1.11 (1.01–1.21) 0.95 (0.88–1.02) 1.12 (1.04–1.20)
Region I in Germany South 1 (Ref) 1 (Ref) 1 (Ref) 1 (Ref)
Middle 1.13 (1.02–1.25) 1.15 (1.05–1.27) 1.13 (1.03–1.23) 1.08(0.98–1.19)
North 1.11 (1.00–1.24) 1.16 (1.04–1.29) 1.15 (1.04–1.27) 1.13 (1.03–1.24)
No of household members <18 yrs 1.03 (0.99–1.07) 1.07 (1.03–1.12) 0.96 (0.92–1.00) 1.05 (1.01–1.09)
Education Low 1 (Ref) 1 (Ref) 1 (Ref) 1 (Ref)
Middle 0.74 (0.67–0.81) 0.85 (0.77–0.93) 0.78 (0.73–0.83) 0.92 (0.86–0.98)
High 0.75 (0.66–0.84) 0.82 (0.72–0.92) 0.77 (0.70–0.85) 0.90 (0.82–1.00)
Attended child care No 1 (Ref) 1 (Ref) 1 (Ref) ns#
Yes 0.71 (0.65–0.78) 0.91 (0.83–1.00) 0.81 (0.75–0.87)
Region II in Germany West 1 (Ref) ns# 1 (Ref) 1 (Ref)
East 1.02 (0.93–1.11) 1.15 (1.04–1.19) 1.15 (1.08–1.23)
No of children grown up with 1.07 (1.05–1.09) ns# 1.02 (1.01–1.03) 1.01 (1.00–1.02)

* Mutually adjusted for all other variables in the model,

# ns = Variables were not significantly associated with CMV seroprevalence in the final model and therefore excluded