Table 3 Effects of blood group and secretor status on sero-conversion against Ogawa
Characteristics | Total n (%) | n(%) Seroconverted | Ogawa | |||
|---|---|---|---|---|---|---|
Crude PR (95% CI) | p value | Adjusted PR (95% CI)a | p value | |||
Blood Group | ||||||
Non-O | 71 (53.0) | 18 (25.4) | Ref | Ref | ||
O | 63 (47.0) | 16 (25.4) | 1.00 (0.56–1.80) | 0.995 | 0.78 (0.27–2.20) | 0.633 |
Secretor statusb | ||||||
Secretor | 63 (81.8) | 14 (35.7) | Ref | Ref | ||
Non-secretor | 14 (18.2) | 5 (22.2) | 0.48 (−0.55–1.50) | 0.362 | 1.91 (0.77–4.76) | 0.166 |