With regard to other personal characteristics, 92% of participants were right-handed; 55% were white and 20% black; 72% had finished full time education by 16 years of age; 80% were between 151 and 170 centimeters tall; and 47% were smokers.
Con relación a otras características personales, 92% de los participantes eran diestros, 55% eran blancos y 20% negros, 72% habían terminado la enseñanza fundamental, hasta los 16 años de edad, 80% tenían entre 151 y 170 centímetros de altura y 47% eran fumantes.
Com relação a outras características pessoais, 92% dos participantes eram destros, 55% eram brancos e 20% negros, 72% tinham terminado o ensino fundamental, até 16 anos de idade, 80% tinham entre 151 e 170 centímetros de altura e 47% eram fumantes.