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Table.3 Influencing factors of SARS-CoV-2 neutralizing antibody immunization by multinomial logistic regression

From: Safety and immunogenicity of inactivated SARS-CoV-2 vaccine in high-risk occupational population: a randomized, parallel, controlled clinical trial

Variables OR (95% CI) OR (95% CI)*
GMT 64–127 (ref: 16–63)
 0–14 group 1.0 1.0
 0–21 group 2.5 (1.5–4.1) 2.5 (1.5–4.1)
 0–28 group 2.1 (1.3–3.3) 2.0 (1.2–3.3)
GMT ≥ 128 (ref: 16–63)  
 0–14 group 1.0 1.0
 0–21 group 4.5 (2.8–7.1) 4.4 (2.8–7.1)
 0–28 group 3.3 (2.1–5.2) 3.3 (2.1–5.2)
  1. GMT, Geometric mean titer; CI, confidence interval; OR: odds ratio
  2. *Adjusted by age, gender, BMI, marital status, education level, influenza vaccination history, smoking, drinking, and chronic diseases