SEX;SOCIAL CLASS;INDICATOR;Total BOTH SEXES;Total;Mean;83.58 BOTH SEXES;Total;Standard deviation;14.67 BOTH SEXES;I;Mean;84.06 BOTH SEXES;I;Standard deviation;13.05 BOTH SEXES;II;Mean;84.04 BOTH SEXES;II;Standard deviation;13.17 BOTH SEXES;III;Mean;84.20 BOTH SEXES;III;Standard deviation;13.33 BOTH SEXES;IV;Mean;84.47 BOTH SEXES;IV;Standard deviation;12.73 BOTH SEXES;V;Mean;83.03 BOTH SEXES;V;Standard deviation;16.22 BOTH SEXES;VI;Mean;82.36 BOTH SEXES;VI;Standard deviation;16.91 BOTH SEXES;Not recorded;Mean;81.14 BOTH SEXES;Not recorded;Standard deviation;19.22 Men;Total;Mean;83.56 Men;Total;Standard deviation;14.71 Men;I;Mean;83.70 Men;I;Standard deviation;14.31 Men;II;Mean;85.08 Men;II;Standard deviation;11.35 Men;III;Mean;83.42 Men;III;Standard deviation;13.43 Men;IV;Mean;84.81 Men;IV;Standard deviation;11.05 Men;V;Mean;83.84 Men;V;Standard deviation;14.90 Men;VI;Mean;81.73 Men;VI;Standard deviation;18.30 Men;Not recorded;Mean;79.96 Men;Not recorded;Standard deviation;23.44 Women;Total;Mean;83.60 Women;Total;Standard deviation;14.63 Women;I;Mean;84.40 Women;I;Standard deviation;11.75 Women;II;Mean;83.07 Women;II;Standard deviation;14.62 Women;III;Mean;85.18 Women;III;Standard deviation;13.13 Women;IV;Mean;84.11 Women;IV;Standard deviation;14.28 Women;V;Mean;82.17 Women;V;Standard deviation;17.47 Women;VI;Mean;83.11 Women;VI;Standard deviation;15.06 Women;Not recorded;Mean;82.34 Women;Not recorded;Standard deviation;13.50