Table 2

Univariate and multivariable analyses of log IgG values

CharacteristicsUnivariate analysisMultivariable analysis
β (95% CI)P valueβ (95% CI)P value
Age−0.01 (−0.05 to 0.02)0.530.00 (−0.04 to 0.04)0.91
Sex
 FemaleNANA
 Male−0.190.31−0.24 (−0.07 to 0.23)0.23
Days from second vaccination−0.03 (−0.06 to −0.00)0.031−0.04 (−0.07 to −0.01)0.017
Comorbidities
 Diabetes−0.16 (−0.62 to 0.30)0.48−0.02 (−0.52 to 0.49)0.95
 Dyslipidaemia−0.12 (−0.49 to 0.26)0.54−0.06 (−0.48 to 0.35)0.76
 Ischaemic heart disease−0.12 (−0.60 to 0.36)0.630.12 (−0.47 to 0.71)0.69
 Hypertension−0.24 (−0.61 to 0.12)0.19−0.20 (−0.65 to 0.25)0.39
 Obesity0.05 (−0.36 to 0.46)0.810.24 (−0.19 to 0.67)0.28
Clinical Frailty Scale
 Very fitNANA
 Well−0.19 (−0.60 to 0.22)0.40−0.08 (−0.56 to 0.40)0.74
 Managing well−0.45 (−1.2 to 0.27)0.20−0.34 (−1.1 to 0.42)0.40
 Vulnerable−1.0 (−1.9 to −0.04)0.045−1.0 (−2.0 to −0.03)0.047
 Mildly frail0.43 (−1.4 to 2.2)0.60.75 (−1.2 to 2.7)0.45
  • NA, not applicable.