Table 2.
Association of covariates at time of vaccination with log2 anti-YF antibody concentrations.
| Univariable (crude) | Multivariable (adjusted) | ||||
|---|---|---|---|---|---|
| Covariate | N | Coef. (95% CI) | p-value | Coef. (95% CI) | p-value |
| Sex | |||||
| Male* | 256 | 0.00 - - | – | 0.00 - - | – |
| Female | 224 | 0.02 (−0.15 to 0.20) | 0.7767 | 0.03 (−0.15 to 0.20) | 0.7590 |
| Season | |||||
| Dry* | 311 | 0.00 - - | – | 1.00 - - | – |
| Rainy | 170 | 0.02 (−0.16 to 0.20) | 0.8479 | 0.02 (−0.16 to 0.20) | 0.8239 |
| Country | |||||
| Mali* | 232 | 0.00 - - | – | 0.00 - - | – |
| Gambia | 179 | −0.04 (−0.21 to 0.13) | 0.6343 | −0.04 (−0.21 to 0.13) | 0.6270 |
| Time since vaccination | – | 0.07 (−0.19 to 0.34) | 0.5798 | 0.08 (−0.18 to 0.34) | 0.5656 |
NB, Sex missing for 1 participant.
*
Reference stratum. N, number of observations; Coef, coeficient; 95% CI, 95% confidence interval. Results of separate uni- and multi-variable linear regression. Multi-variable model adjusted for, sex and season of vaccination and time since vaccination.