Provided your base search returns the fields mentioned by you. Following should be your search:
<Your Base Search>
| stats sum("About Right") as AboutRight sum(Overweight) as Overweight sum(underweight) as Underweight by Gender, country
| addcoltotals AboutRight Overweight Underweight labelfield=Gender
Provided your base search returns the fields mentioned by you. Following should be your search:
<Your Base Search>
| stats sum("About Right") as AboutRight sum(Overweight) as Overweight sum(underweight) as Underweight by Gender, country
| addcoltotals AboutRight Overweight Underweight labelfield=Gender