Distribution of cases and controls by infectious mononucleosis (IM), by gender, age at onset, latency of IM and years of school. Cases with unknown age at onset of IM are excluded. Age adjusted odds ratios and 95% confidence intervals
| IM | Controls | NHL | HD | MM | LL | ML | Other |
| Men | |||||||
| No | 883 | 748 | 182 | 122 | 160 | 176 | 44 |
| Yes | 2 | 4 | 5 | 0 | 0 | 1 | 0 |
| Women | |||||||
| No | 816 | 594 | 159 | 130 | 98 | 121 | 43 |
| Yes | 2 | 6 | 2 | 0 | 0 | 0 | 0 |
| Age adjusted ORs | 1.0 | 4.0 | 4.4 | — | — | — | — |
| 95% CI | — | (1.4, 11.8) | (1.1, 16.6) | ||||
| Latency between IM and lymphoma | OR | 95% CI | |||||
| <10 | 8.1 | 1.4, 46 | |||||
| 10+ | 2.7 | 0.7, 9.5 | |||||
| Years of school | Cases/controls with IM | OR | 95% CI | ||||
| <14 | 7/3 | 2.2 | 0.6, 8.5 | ||||
| 14+ | 10/1 | 9.8 | 1.9, 51 | ||||
Abbreviations as in table 2.