Table 2—

Twin correlations separately for very pre-term, pre-term and full-term pregnancies

MZDZ
Very pre-term (<32 weeks) n146217
 Asthma0.920.65
 Eczema0.880.36
 Rhinitis0.970.74
Pre-term (≥32 weeks and <37 weeks) n10891806
 Asthma0.910.36
 Eczema0.860.21
 Rhinitis0.970.52
Full-term (≥37 weeks) n17063669
 Asthma0.910.43
 Eczema0.830.33
 Rhinitis0.930.53