Table 5. Adjusteda odds ratios (95% confidence intervals) for CMV and EBV seroconversion and unit changes in IgG OD.
|
All women
|
Parous women
|
|||
|---|---|---|---|---|
| Odds ratio | 95% CI | Odds ratio | 95% CI | |
| CMV IgG seroconversion | 4.0 | 1.1–14.4 | 9.7 | 1.2–77.3 |
| EBV IgG seroconversion | 0.7 | 0.1–4.0 | 0.6 | 0.1–6.8 |
| Unit change in CMV OD | 1.7 | 1.1–2.5 | 2.0 | 1.2–3.4 |
| Unit change in EBV OD | 1.0 | 0.7–1.3 | 1.0 | 0.7–1.4 |
Abbreviations: CI=confidence interval; CMV=cytomegalovirus; EBV=Epstein–Barr virus; IgG=immunoglobulin G; OD=optical density.
a
Results for all women are adjusted for number of births; results for 301 parous cases and their 301-matched parous controls are adjusted for number of births and age at birth of first child.