The percentage of boys smoking was higher than that of girls 15.3%, n=42, vs. 12.1%, n=49.
El porcentaje de muchachos que fuma es superior al de las muchachas 15,3%, n=42, vs 12,1%, n=49.
A percentagem de rapazes que fuma é superior à das raparigas 15,3%, n=42, vs 12,1%, n=49.