Table 2.
Factors associated with RSV pre-F IgG antibodies according to a generalized linear model.
| Characteristics | β (95% CI) | Fold changes (10β-1, 95% CI) | P value |
|---|---|---|---|
|
| |||
| Age group | |||
| 4 months to <2 years | −1.574 (−1.804, −1.344) | −0.973 (−0.984, −0.955) | <0.001 |
| 2 to <5 years | −0.410 (−0.529, −0.292) | −0.611 (−0.704, −0.489) | <0.001 |
| 5 to <12 years | 0.037 (−0.059, 0.134) | 0.090 (−0.127, 0.360) | 0.447 |
| 12 to <18 years | −0.192 (−0.434, 0.050) | −0.357 (−0.632, 0.122) | 0.120 |
| 18 to <60 years | Reference | Reference | - |
| ≥60 years | 0.032 (−0.077, 0.140) | 0.076 (−0.162, 0.382) | 0.564 |
| Location of residence | |||
| Jiangnan town | Reference | Reference | - |
| Tianzhuang town | −0.082 (−0.177, 0.013) | −0.172 (−0.334, 0.030) | 0.090 |
| Qingtang town | −0.296 (−0.394, −0.199) | −0.494 (−0.596, −0.367) | <0.001 |
| Heicha School | −0.254 (−0.537, 0.029) | −0.443 (−0.710, 0.069) | 0.079 |
| Household size | |||
| 2–4 | Reference | Reference | - |
| >4 | 0.009 (−0.064, 0.081) | 0.020 (−0.137, 0.205) | 0.815 |
| Underlying diseases | |||
| No | Reference | Reference | - |
| Yes | 0.096 (−0.013, 0.205) | 0.247 (−0.029, 0.602) | 0.085 |
We quantified RSV pre-F IgG antibodies using log10 endpoint titres. β > 0 indicates that the factor was associated with an increase in RSV pre-F IgG antibodies by 10β-1 fold; β < 0 indicates that the factor was associated with a decrease in RSV pre-F IgG antibodies by 1-10β fold.