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Table 1 Results of posterior means with 95% credible intervals of individual-level covariates estimated by the multinomial ordered probit model

From: Rate of decline of antibody titers to pandemic influenza A (H1N1-2009) by hemagglutination inhibition and virus microneutralization assays in a cohort of seroconverting adults in Singapore

Factor By HI assay By MN assay
Posterior mean 95% credible interval Posterior mean 95% credible interval
Age ≥ 55 years (versus age < 55 years) 1.06 (−1.12, 3.53) 1.21 (−1.18, 3.78)
Female (versus male) 1.37 (0.06, 2.71) 0.49 (−0.96, 1.98)
Any symptoms 2.07 (0.38, 3.84) 3.53 (1.60, 5.55)
Sample B (versus sample A) −2.96 (−4.24, −1.72) −0.90 (−1.95, 0.18)
Sample C (versus sample A) −3.54 (−4.96, −2.19) −2.31 (−3.49, −1.15)
Interaction terms     
Age ≥ 55 years with sample B −1.28 (−3.02, 0.40) −2.99 (−4.57, −1.46)
Age ≥ 55 years with sample C −3.40 (−5.28, −1.57) −2.77 (−4.30, −1.26)
Female with sample B −1.44 (−2.37, −0.50) 0.66 (−0.19, 1.50)
Female with sample C −1.35 (−2.35, −0.37) 0.58 (−0.26, 1.46)
Any symptoms with sample B −0.66 (−1.89, 0.55) −1.63 (−2.77, −0.54)
Any symptoms with sample C −0.53 (−1.84, 0.79) −0.67 (−1.82, 0.47)