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. 2012 Mar;19(3):429–435. doi: 10.1128/CVI.05528-11

Table 3.

Predictors associated with seroprotection at week 24 using multivariate logistic regression analysis

Predictor Odds ratioa 95% confidence interval
Age group
    >60 yr Reference
    ≤60 yr 2.98 1.21–7.36
Gender
    Male Reference
    Female 2.16 0.94–4.94
Dose group
    15 μg, single dose Reference
    15 μg, two doses 0.85 0.23–3.21
    30 μg, two doses 0.83 0.22–3.16
BMI (kg/m2) group
    Normal range (18.5–22.9) Reference
    Overweight (23–24.9) 1.85 0.51–6.75
    Obese I (25–29.9) 1.05 0.39–2.82
    Obese II (≥30) 0.61 0.16–2.32
a

“Reference” indicates the reference group, for which the odds ratio is equal to 1.