Table 2.
All twin pairs |
|||
---|---|---|---|
Concordant* | Discordant† | % Pairwise concordance (s.e.) | |
Infectious mononucleosis | |||
Monozygotic twins | 35 | 255 | 12·1 (2) |
Dizygotic twins | 23 | 356 | 6·1 (1) |
Same-sex dizygotic twins‡ | 12 | 220 | 5·1 (2) |
By gender | |||
Monozygotic twins | |||
Female-female | 27 | 190 | 12·4 (2) |
Male-male | 8 | 65 | 11·0 (4) |
Dizygotic twins | |||
Female-female | 9 | 168 | 5·1 (2) |
Male-male | 3 | 52 | 5·5 (3) |
Male-female | 11 | 136 | 7·5 (2) |
By education | |||
Monozygotic twins | |||
< 16 years of school | 20 | 134 | 13·0 (3) |
≥ 16 years of school | 15 | 121 | 11·0 (3) |
Dizygotic twins | |||
< 16 years of school | 13 | 204 | 6·0 (2) |
≥ 16 years of school | 10 | 152 | 6·2 (2) |
Same-sex dizygotic twins‡ | |||
< 16 years of school | 9 | 129 | 6·5 (2) |
≥ 16 years of school | 3 | 91 | 3·2 (2) |
Both members of the pair were diagnosed with infectious mononucleosis.
One member of the pair was diagnosed with infectious mononucleosis.
Subset of dizygotic twins who are male-male or female-female pairs.