SEX;SOCIAL CLASS;INDICATOR;Total BOTH SEXES;Total;Mean;1.91 BOTH SEXES;Total;Standard deviation;1.51 BOTH SEXES;I;Mean;1.82 BOTH SEXES;I;Standard deviation;1.33 BOTH SEXES;II;Mean;1.80 BOTH SEXES;II;Standard deviation;1.19 BOTH SEXES;III;Mean;1.83 BOTH SEXES;III;Standard deviation;1.40 BOTH SEXES;IV;Mean;2.00 BOTH SEXES;IV;Standard deviation;1.62 BOTH SEXES;V;Mean;1.96 BOTH SEXES;V;Standard deviation;1.70 BOTH SEXES;VI;Mean;2.13 BOTH SEXES;VI;Standard deviation;1.70 BOTH SEXES;Not recorded;Mean;1.91 BOTH SEXES;Not recorded;Standard deviation;1.40 Men;Total;Mean;1.90 Men;Total;Standard deviation;1.48 Men;I;Mean;1.91 Men;I;Standard deviation;1.41 Men;II;Mean;1.79 Men;II;Standard deviation;1.11 Men;III;Mean;1.84 Men;III;Standard deviation;1.39 Men;IV;Mean;1.90 Men;IV;Standard deviation;1.54 Men;V;Mean;1.93 Men;V;Standard deviation;1.66 Men;VI;Mean;2.05 Men;VI;Standard deviation;1.57 Men;Not recorded;Mean;1.99 Men;Not recorded;Standard deviation;1.23 Women;Total;Mean;1.91 Women;Total;Standard deviation;1.53 Women;I;Mean;1.72 Women;I;Standard deviation;1.23 Women;II;Mean;1.81 Women;II;Standard deviation;1.24 Women;III;Mean;1.82 Women;III;Standard deviation;1.41 Women;IV;Mean;2.10 Women;IV;Standard deviation;1.69 Women;V;Mean;1.98 Women;V;Standard deviation;1.73 Women;VI;Mean;2.17 Women;VI;Standard deviation;1.77 Women;Not recorded;Mean;1.86 Women;Not recorded;Standard deviation;1.48