Hi,
Welcome on the forum,i think DNA analysis would be a sure way to know if your husband has any thal trait,i am not an expert but his hb and hemotocrit seems pretty good to me,but on the other hand his RBCs are mildly hypochromic ,so a DNA analysis would be good way to know.
Good luck with your pregnancy and i hope and pray that thal won't affect your baby.
Zaini.