Table 1. Asthma and allergic diseases in offspring as related to grand-parents and parents asthma.

Offsprings healthEarly onset asthma OR PAsthma >10 years* OR PHayfever OR PEczema OR P
Only grand-parent asthma1,61 <0.0011,10 0,6071,23 0,0291,23 0,024
Only parent asthma2,32 <0.0011,49 0,0311,35 0,0051,32 0,007
Parent and grandp asthma1,99 <0.0012,71 <0.0011,33 0,0751,25 0,143

  • * excluding children <10 years